Finding the Fourth Proportional to 71,103.45, 98,123.37 and 39,272.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,103.45 : 98,123.37 = 39,272.88 : x
2. Step 2: Convert to fraction form
   71,103.45/98,123.37 = 39,272.88/x
3. Step 3: Cross multiply
   71,103.45x = 98,123.37 × 39,272.88
4. Step 4: Simplify right side
   71,103.45x = 3,853,587,555.89
5. Step 5: Solve for x
   x = 3,853,587,555.89/71,103.45
6. Step 6: Final answer
   x = 54,196.91