Finding the Fourth Proportional to 71,601.38, 98,809.91 and 39,773.24

Step by Step Solution

1. Step 1: Write the proportion equation
   71,601.38 : 98,809.91 = 39,773.24 : x
2. Step 2: Convert to fraction form
   71,601.38/98,809.91 = 39,773.24/x
3. Step 3: Cross multiply
   71,601.38x = 98,809.91 × 39,773.24
4. Step 4: Simplify right side
   71,601.38x = 3,929,989,571.89
5. Step 5: Solve for x
   x = 3,929,989,571.89/71,601.38
6. Step 6: Final answer
   x = 54,887.07