Finding the Fourth Proportional to 2,550.27, 3,825.39 and 1,439.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.27 : 3,825.39 = 1,439.18 : x
2. Step 2: Convert to fraction form
   2,550.27/3,825.39 = 1,439.18/x
3. Step 3: Cross multiply
   2,550.27x = 3,825.39 × 1,439.18
4. Step 4: Simplify right side
   2,550.27x = 5,505,422.70
5. Step 5: Solve for x
   x = 5,505,422.70/2,550.27
6. Step 6: Final answer
   x = 2,158.76