I need helping find Company C stock price last year

According to the problem, the stock price this year represents 8% higher than last year, which means it represents 108% (1.08).
So, we just have to solve the following proportion to find the stock price for last year.
[tex]\begin{gathered} \frac{97.64}{1.08}=\frac{x}{1} \\ \end{gathered}[/tex]Let's solve for x
[tex]x=90.41[/tex]