Finding the Fourth Proportional to 131,215.73, 196,854.83 and 42,469.24

Step by Step Solution

1. Step 1: Write the proportion equation
   131,215.73 : 196,854.83 = 42,469.24 : x
2. Step 2: Convert to fraction form
   131,215.73/196,854.83 = 42,469.24/x
3. Step 3: Cross multiply
   131,215.73x = 196,854.83 × 42,469.24
4. Step 4: Simplify right side
   131,215.73x = 8,360,275,020.43
5. Step 5: Solve for x
   x = 8,360,275,020.43/131,215.73
6. Step 6: Final answer
   x = 63,713.97