Finding the Fourth Proportional to 7,414.38, 10,231.61 and 4,057.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,414.38 : 10,231.61 = 4,057.12 : x
2. Step 2: Convert to fraction form
   7,414.38/10,231.61 = 4,057.12/x
3. Step 3: Cross multiply
   7,414.38x = 10,231.61 × 4,057.12
4. Step 4: Simplify right side
   7,414.38x = 41,510,854.13
5. Step 5: Solve for x
   x = 41,510,854.13/7,414.38
6. Step 6: Final answer
   x = 5,598.70