Finding the Fourth Proportional to 3,490.68, 4,816.90 and 2,498.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,490.68 : 4,816.90 = 2,498.30 : x
2. Step 2: Convert to fraction form
   3,490.68/4,816.90 = 2,498.30/x
3. Step 3: Cross multiply
   3,490.68x = 4,816.90 × 2,498.30
4. Step 4: Simplify right side
   3,490.68x = 12,034,061.27
5. Step 5: Solve for x
   x = 12,034,061.27/3,490.68
6. Step 6: Final answer
   x = 3,447.48