Finding the Fourth Proportional to 3,757.59, 5,186.43 and 2,500.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,757.59 : 5,186.43 = 2,500.74 : x
2. Step 2: Convert to fraction form
   3,757.59/5,186.43 = 2,500.74/x
3. Step 3: Cross multiply
   3,757.59x = 5,186.43 × 2,500.74
4. Step 4: Simplify right side
   3,757.59x = 12,969,912.96
5. Step 5: Solve for x
   x = 12,969,912.96/3,757.59
6. Step 6: Final answer
   x = 3,451.66