Finding the Fourth Proportional to 2,544.80, 3,511.86 and 1,550.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.80 : 3,511.86 = 1,550.12 : x
2. Step 2: Convert to fraction form
   2,544.80/3,511.86 = 1,550.12/x
3. Step 3: Cross multiply
   2,544.80x = 3,511.86 × 1,550.12
4. Step 4: Simplify right side
   2,544.80x = 5,443,804.42
5. Step 5: Solve for x
   x = 5,443,804.42/2,544.80
6. Step 6: Final answer
   x = 2,139.19