Finding the Fourth Proportional to 71,158.33, 106,755 and 50,139.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,158.33 : 106,755 = 50,139.42 : x
2. Step 2: Convert to fraction form
   71,158.33/106,755 = 50,139.42/x
3. Step 3: Cross multiply
   71,158.33x = 106,755 × 50,139.42
4. Step 4: Simplify right side
   71,158.33x = 5,352,633,248.33
5. Step 5: Solve for x
   x = 5,352,633,248.33/71,158.33
6. Step 6: Final answer
   x = 75,221.46