Finding the Fourth Proportional to 71,365.30, 106,945.55 and 52,498.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,365.30 : 106,945.55 = 52,498.10 : x
2. Step 2: Convert to fraction form
   71,365.30/106,945.55 = 52,498.10/x
3. Step 3: Cross multiply
   71,365.30x = 106,945.55 × 52,498.10
4. Step 4: Simplify right side
   71,365.30x = 5,614,438,178.46
5. Step 5: Solve for x
   x = 5,614,438,178.46/71,365.30
6. Step 6: Final answer
   x = 78,671.82