Finding the Fourth Proportional to 4,389.30, 6,057.17 and 2,399.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,389.30 : 6,057.17 = 2,399.82 : x
2. Step 2: Convert to fraction form
   4,389.30/6,057.17 = 2,399.82/x
3. Step 3: Cross multiply
   4,389.30x = 6,057.17 × 2,399.82
4. Step 4: Simplify right side
   4,389.30x = 14,536,105.71
5. Step 5: Solve for x
   x = 14,536,105.71/4,389.30
6. Step 6: Final answer
   x = 3,311.71