Finding the Fourth Proportional to 2,543.99, 3,511.33 and 1,550.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.99 : 3,511.33 = 1,550.10 : x
2. Step 2: Convert to fraction form
   2,543.99/3,511.33 = 1,550.10/x
3. Step 3: Cross multiply
   2,543.99x = 3,511.33 × 1,550.10
4. Step 4: Simplify right side
   2,543.99x = 5,442,930.64
5. Step 5: Solve for x
   x = 5,442,930.64/2,543.99
6. Step 6: Final answer
   x = 2,139.52