Given the following historical sales data and weights of $\mathrm{.}4($most recent$),4,$ and $\mathrm{.}2($oldest$).$ what is the three$-$period weighted moving average forecast for period $5?($answer to $1$ decimal$)$

$\backslash$table$[[$Period Value$],[\backslash$table$[[1,93\mathrm{.}6],[2,91\mathrm{.}8],[3,82\mathrm{.}0],[4,80\mathrm{.}3]]]]$