At a discount rate of $10\mathrm{.}91\%$ compounded monthly, the present value of the cash flow stream below is $$10,970\mathrm{.}3794.$

$\backslash$table$[[\backslash$table$[[$End$],[$of$],[$Year$]],1,2,3,4],[\backslash$table$[[$Cash$],[$Flow$]],$$$1,552,$$$5,772,$$$4,402,?$