Finding the Fourth Proportional to 71,633.88, 98,854.04 and 39,802.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,633.88 : 98,854.04 = 39,802.10 : x
2. Step 2: Convert to fraction form
   71,633.88/98,854.04 = 39,802.10/x
3. Step 3: Cross multiply
   71,633.88x = 98,854.04 × 39,802.10
4. Step 4: Simplify right side
   71,633.88x = 3,934,597,692.20
5. Step 5: Solve for x
   x = 3,934,597,692.20/71,633.88
6. Step 6: Final answer
   x = 54,926.49