Finding the Fourth Proportional to 72,282.72, 99,731.19 and 41,648.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,282.72 : 99,731.19 = 41,648.31 : x
2. Step 2: Convert to fraction form
   72,282.72/99,731.19 = 41,648.31/x
3. Step 3: Cross multiply
   72,282.72x = 99,731.19 × 41,648.31
4. Step 4: Simplify right side
   72,282.72x = 4,153,635,517.79
5. Step 5: Solve for x
   x = 4,153,635,517.79/72,282.72
6. Step 6: Final answer
   x = 57,463.74