Finding the Fourth Proportional to 78,358.43, 108,165.50 and 52,879.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,358.43 : 108,165.50 = 52,879.88 : x
2. Step 2: Convert to fraction form
   78,358.43/108,165.50 = 52,879.88/x
3. Step 3: Cross multiply
   78,358.43x = 108,165.50 × 52,879.88
4. Step 4: Simplify right side
   78,358.43x = 5,719,777,854.91
5. Step 5: Solve for x
   x = 5,719,777,854.91/78,358.43
6. Step 6: Final answer
   x = 72,995.06