Problem $4-46$ Calculating Present Value of a Perpetuity

Given a discount rate of $4\mathrm{.}5$ percent per year, what is the value at Date t $=7$ of a perpetual stream of $$2,900$ annual payments that begins at Date t $=15?($Do not round intermediate calculations and round your answer to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$