Finding the Fourth Proportional to 71,392.24, 98,525 and 39,564.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,392.24 : 98,525 = 39,564.72 : x
2. Step 2: Convert to fraction form
   71,392.24/98,525 = 39,564.72/x
3. Step 3: Cross multiply
   71,392.24x = 98,525 × 39,564.72
4. Step 4: Simplify right side
   71,392.24x = 3,898,114,038
5. Step 5: Solve for x
   x = 3,898,114,038/71,392.24
6. Step 6: Final answer
   x = 54,601.37