A two-payment stream consisting of $1750 due today and $2900 due in 18 months is to be

Question:

A two-payment stream consisting of $1750 due today and $2900 due in 18 months is to be replaced by an economically equivalent stream comprised of an undetermined payment due in 9 months and a payment of $3000 due in 19 months. Calculate the unknown replacement payment if money is worth 9% compounded monthly.