Finding the Fourth Proportional to 71,630.72, 98,850.41 and 39,799.61

Step by Step Solution

1. Step 1: Write the proportion equation
   71,630.72 : 98,850.41 = 39,799.61 : x
2. Step 2: Convert to fraction form
   71,630.72/98,850.41 = 39,799.61/x
3. Step 3: Cross multiply
   71,630.72x = 98,850.41 × 39,799.61
4. Step 4: Simplify right side
   71,630.72x = 3,934,208,149.06
5. Step 5: Solve for x
   x = 3,934,208,149.06/71,630.72
6. Step 6: Final answer
   x = 54,923.48