l<-c(10000000,9795800,9782674,9770739,9759796,9749646,9740091,9731033,9722372,9713914,9705657,9697407,9689164,9680831,9672409,9663801,9655007,9646028,9636864,9627516,9617888,9607982,9597798,9587240,9576311,9565011,
     9553342,9541209,9528519,9515274,9501382,9486845,9471571,9455469,9438544,9420611,9401676,9381556,9360166,9337421,9313144,9287253,9259577,9229946,9198195,9164070,9127414,9088075,9045725,9000135,8950994,8898004,8840879,
     8779258,8712711,8640918,8563495,8480001,8389943,8292787,8188132,8075463,7954250,7823959,7684067,7534074,7373448,7201720,7018508,6823464,6616235,6396708,6164763,5920515,5664157,5396186,5117257,4828285,4530476,4225258,
     3914448,3600118,3284604,2970563,2660793,2358287,2066119,1787317,1524778,1281103,1058511,858696,682723,530974,403084,297988,213982,139088,73021,23732)
d<-c()
for(k in 1:length(l)){
  d[k]<-l[k]-l[k+1]
}
d[100]<-l[100]
f<-function(P){
  x<-10
  i<-0.05
  v<-1/(1+i)
  A<-0
  a<-0
  b<-c()
  for (k in 1:5) {
    b[k]<-P*((1+i)^k-1)/i
  }
  b[6:90]<-1000
  for (k in 1:90) {
    A<-A+b[k]*v^k*d[x+k]
    a<-a+v^(k-1)*l[x+k]
  }
  return(P*a-A)
}
P<-uniroot(f,c(0,1000))$root 
P