Finding the Fourth Proportional to 71,402.01, 98,535.86 and 39,136.38

Step by Step Solution

1. Step 1: Write the proportion equation
   71,402.01 : 98,535.86 = 39,136.38 : x
2. Step 2: Convert to fraction form
   71,402.01/98,535.86 = 39,136.38/x
3. Step 3: Cross multiply
   71,402.01x = 98,535.86 × 39,136.38
4. Step 4: Simplify right side
   71,402.01x = 3,856,336,664.90
5. Step 5: Solve for x
   x = 3,856,336,664.90/71,402.01
6. Step 6: Final answer
   x = 54,008.80