Finding the Fourth Proportional to 81,654.48, 122,502.24 and 39,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,654.48 : 122,502.24 = 39,554.72 : x
2. Step 2: Convert to fraction form
   81,654.48/122,502.24 = 39,554.72/x
3. Step 3: Cross multiply
   81,654.48x = 122,502.24 × 39,554.72
4. Step 4: Simplify right side
   81,654.48x = 4,845,541,802.57
5. Step 5: Solve for x
   x = 4,845,541,802.57/81,654.48
6. Step 6: Final answer
   x = 59,342.02