Finding the Fourth Proportional to 8,434.59, 12,648.51 and 3,500.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,434.59 : 12,648.51 = 3,500.88 : x
2. Step 2: Convert to fraction form
   8,434.59/12,648.51 = 3,500.88/x
3. Step 3: Cross multiply
   8,434.59x = 12,648.51 × 3,500.88
4. Step 4: Simplify right side
   8,434.59x = 44,280,915.69
5. Step 5: Solve for x
   x = 44,280,915.69/8,434.59
6. Step 6: Final answer
   x = 5,249.92