Finding the Fourth Proportional to 71,404.42, 98,537.48 and 39,140.83

Step by Step Solution

1. Step 1: Write the proportion equation
   71,404.42 : 98,537.48 = 39,140.83 : x
2. Step 2: Convert to fraction form
   71,404.42/98,537.48 = 39,140.83/x
3. Step 3: Cross multiply
   71,404.42x = 98,537.48 × 39,140.83
4. Step 4: Simplify right side
   71,404.42x = 3,856,839,047.72
5. Step 5: Solve for x
   x = 3,856,839,047.72/71,404.42
6. Step 6: Final answer
   x = 54,014.01