Finding the Fourth Proportional to 59,613.48, 82,280.16 and 39,471.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,613.48 : 82,280.16 = 39,471.12 : x
2. Step 2: Convert to fraction form
   59,613.48/82,280.16 = 39,471.12/x
3. Step 3: Cross multiply
   59,613.48x = 82,280.16 × 39,471.12
4. Step 4: Simplify right side
   59,613.48x = 3,247,690,068.98
5. Step 5: Solve for x
   x = 3,247,690,068.98/59,613.48
6. Step 6: Final answer
   x = 54,479.12