Finding the Fourth Proportional to 71,404.47, 98,538.17 and 39,575.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,404.47 : 98,538.17 = 39,575.42 : x
2. Step 2: Convert to fraction form
   71,404.47/98,538.17 = 39,575.42/x
3. Step 3: Cross multiply
   71,404.47x = 98,538.17 × 39,575.42
4. Step 4: Simplify right side
   71,404.47x = 3,899,689,463.78
5. Step 5: Solve for x
   x = 3,899,689,463.78/71,404.47
6. Step 6: Final answer
   x = 54,614.08