Finding the Fourth Proportional to 2,498.50, 3,422.90 and 2,405.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.50 : 3,422.90 = 2,405.02 : x
2. Step 2: Convert to fraction form
   2,498.50/3,422.90 = 2,405.02/x
3. Step 3: Cross multiply
   2,498.50x = 3,422.90 × 2,405.02
4. Step 4: Simplify right side
   2,498.50x = 8,232,142.96
5. Step 5: Solve for x
   x = 8,232,142.96/2,498.50
6. Step 6: Final answer
   x = 3,294.83