Finding the Fourth Proportional to 2,550.50, 3,511.05 and 2,288.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.50 : 3,511.05 = 2,288.42 : x
2. Step 2: Convert to fraction form
   2,550.50/3,511.05 = 2,288.42/x
3. Step 3: Cross multiply
   2,550.50x = 3,511.05 × 2,288.42
4. Step 4: Simplify right side
   2,550.50x = 8,034,757.04
5. Step 5: Solve for x
   x = 8,034,757.04/2,550.50
6. Step 6: Final answer
   x = 3,150.27