Finding the Fourth Proportional to 73,945.50, 102,044.80 and 40,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,945.50 : 102,044.80 = 40,411.50 : x
2. Step 2: Convert to fraction form
   73,945.50/102,044.80 = 40,411.50/x
3. Step 3: Cross multiply
   73,945.50x = 102,044.80 × 40,411.50
4. Step 4: Simplify right side
   73,945.50x = 4,123,783,435.20
5. Step 5: Solve for x
   x = 4,123,783,435.20/73,945.50
6. Step 6: Final answer
   x = 55,767.88