Finding the Fourth Proportional to 2,504.85, 3,757.03 and 861.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.85 : 3,757.03 = 861.52 : x
2. Step 2: Convert to fraction form
   2,504.85/3,757.03 = 861.52/x
3. Step 3: Cross multiply
   2,504.85x = 3,757.03 × 861.52
4. Step 4: Simplify right side
   2,504.85x = 3,236,737.89
5. Step 5: Solve for x
   x = 3,236,737.89/2,504.85
6. Step 6: Final answer
   x = 1,292.19