Finding the Fourth Proportional to 3,793.55, 5,687.57 and 2,557.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,793.55 : 5,687.57 = 2,557.89 : x
2. Step 2: Convert to fraction form
   3,793.55/5,687.57 = 2,557.89/x
3. Step 3: Cross multiply
   3,793.55x = 5,687.57 × 2,557.89
4. Step 4: Simplify right side
   3,793.55x = 14,548,165.64
5. Step 5: Solve for x
   x = 14,548,165.64/3,793.55
6. Step 6: Final answer
   x = 3,834.98