Finding the Fourth Proportional to 2,504.52, 3,757.41 and 861.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.52 : 3,757.41 = 861.15 : x
2. Step 2: Convert to fraction form
   2,504.52/3,757.41 = 861.15/x
3. Step 3: Cross multiply
   2,504.52x = 3,757.41 × 861.15
4. Step 4: Simplify right side
   2,504.52x = 3,235,693.62
5. Step 5: Solve for x
   x = 3,235,693.62/2,504.52
6. Step 6: Final answer
   x = 1,291.94