Finding the Fourth Proportional to 3,631.72, 5,012.59 and 2,498.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,631.72 : 5,012.59 = 2,498.90 : x
2. Step 2: Convert to fraction form
   3,631.72/5,012.59 = 2,498.90/x
3. Step 3: Cross multiply
   3,631.72x = 5,012.59 × 2,498.90
4. Step 4: Simplify right side
   3,631.72x = 12,525,961.15
5. Step 5: Solve for x
   x = 12,525,961.15/3,631.72
6. Step 6: Final answer
   x = 3,449.04