Finding the Fourth Proportional to 2,550.83, 3,519.27 and 1,431.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.83 : 3,519.27 = 1,431.62 : x
2. Step 2: Convert to fraction form
   2,550.83/3,519.27 = 1,431.62/x
3. Step 3: Cross multiply
   2,550.83x = 3,519.27 × 1,431.62
4. Step 4: Simplify right side
   2,550.83x = 5,038,239.72
5. Step 5: Solve for x
   x = 5,038,239.72/2,550.83
6. Step 6: Final answer
   x = 1,975.14