Finding the Fourth Proportional to 74,003.31, 102,123.05 and 40,469.31

Step by Step Solution

1. Step 1: Write the proportion equation
   74,003.31 : 102,123.05 = 40,469.31 : x
2. Step 2: Convert to fraction form
   74,003.31/102,123.05 = 40,469.31/x
3. Step 3: Cross multiply
   74,003.31x = 102,123.05 × 40,469.31
4. Step 4: Simplify right side
   74,003.31x = 4,132,849,166.25
5. Step 5: Solve for x
   x = 4,132,849,166.25/74,003.31
6. Step 6: Final answer
   x = 55,846.82