Here are the data for the past $21$ months for sales of poutine:

Year

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sept

Oct

Nov

Dec

$2021$

$48$

$49$

$39$

$51$

$53$

$59$

$65$

$72$

$66$

$58$

$55$

$53$

$2022$

$54$

$56$

$53$

$63$

$54$

$55$

$71$

$42$

$78$

Develop a forecast for the fourth quarter using a three$-$quarter, weighted moving average. Weight the most recent quarter $45\%,$ the second most recent $35\%,$ and the third $20\%.$

Show your answer as a whole number