Finding the Fourth Proportional to 71,404.61, 98,538.33 and 39,575.55

Step by Step Solution

1. Step 1: Write the proportion equation
   71,404.61 : 98,538.33 = 39,575.55 : x
2. Step 2: Convert to fraction form
   71,404.61/98,538.33 = 39,575.55/x
3. Step 3: Cross multiply
   71,404.61x = 98,538.33 × 39,575.55
4. Step 4: Simplify right side
   71,404.61x = 3,899,708,605.83
5. Step 5: Solve for x
   x = 3,899,708,605.83/71,404.61
6. Step 6: Final answer
   x = 54,614.25