Finding the Fourth Proportional to 71,390.24, 98,522.24 and 39,562.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,390.24 : 98,522.24 = 39,562.72 : x
2. Step 2: Convert to fraction form
   71,390.24/98,522.24 = 39,562.72/x
3. Step 3: Cross multiply
   71,390.24x = 98,522.24 × 39,562.72
4. Step 4: Simplify right side
   71,390.24x = 3,897,807,794.89
5. Step 5: Solve for x
   x = 3,897,807,794.89/71,390.24
6. Step 6: Final answer
   x = 54,598.61