Finding the Fourth Proportional to 2,550.08, 3,519.17 and 1,431.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.08 : 3,519.17 = 1,431.10 : x
2. Step 2: Convert to fraction form
   2,550.08/3,519.17 = 1,431.10/x
3. Step 3: Cross multiply
   2,550.08x = 3,519.17 × 1,431.10
4. Step 4: Simplify right side
   2,550.08x = 5,036,293.40
5. Step 5: Solve for x
   x = 5,036,293.40/2,550.08
6. Step 6: Final answer
   x = 1,974.96