Finding the Fourth Proportional to 73,945.16, 102,042.82 and 40,411.40

Step by Step Solution

1. Step 1: Write the proportion equation
   73,945.16 : 102,042.82 = 40,411.40 : x
2. Step 2: Convert to fraction form
   73,945.16/102,042.82 = 40,411.40/x
3. Step 3: Cross multiply
   73,945.16x = 102,042.82 × 40,411.40
4. Step 4: Simplify right side
   73,945.16x = 4,123,693,216.15
5. Step 5: Solve for x
   x = 4,123,693,216.15/73,945.16
6. Step 6: Final answer
   x = 55,766.91