Finding the Fourth Proportional to 2,498.46, 3,747.86 and 649.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498.46 : 3,747.86 = 649.64 : x
2. Step 2: Convert to fraction form
   2,498.46/3,747.86 = 649.64/x
3. Step 3: Cross multiply
   2,498.46x = 3,747.86 × 649.64
4. Step 4: Simplify right side
   2,498.46x = 2,434,737.78
5. Step 5: Solve for x
   x = 2,434,737.78/2,498.46
6. Step 6: Final answer
   x = 974.50