Finding the Fourth Proportional to 3,912.87, 5,401.53 and 2,498.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912.87 : 5,401.53 = 2,498.48 : x
2. Step 2: Convert to fraction form
   3,912.87/5,401.53 = 2,498.48/x
3. Step 3: Cross multiply
   3,912.87x = 5,401.53 × 2,498.48
4. Step 4: Simplify right side
   3,912.87x = 13,495,614.67
5. Step 5: Solve for x
   x = 13,495,614.67/3,912.87
6. Step 6: Final answer
   x = 3,449.03