Finding the Fourth Proportional to 2,399.92, 3,310.98 and 1,455.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.92 : 3,310.98 = 1,455.10 : x
2. Step 2: Convert to fraction form
   2,399.92/3,310.98 = 1,455.10/x
3. Step 3: Cross multiply
   2,399.92x = 3,310.98 × 1,455.10
4. Step 4: Simplify right side
   2,399.92x = 4,817,807.00
5. Step 5: Solve for x
   x = 4,817,807.00/2,399.92
6. Step 6: Final answer
   x = 2,007.49