Finding the Fourth Proportional to 59,008.72, 81,453 and 52,710.16

Step by Step Solution

1. Step 1: Write the proportion equation
   59,008.72 : 81,453 = 52,710.16 : x
2. Step 2: Convert to fraction form
   59,008.72/81,453 = 52,710.16/x
3. Step 3: Cross multiply
   59,008.72x = 81,453 × 52,710.16
4. Step 4: Simplify right side
   59,008.72x = 4,293,400,662.48
5. Step 5: Solve for x
   x = 4,293,400,662.48/59,008.72
6. Step 6: Final answer
   x = 72,758.75