Finding the Fourth Proportional to 9,632.71, 14,452.02 and 8,639.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,632.71 : 14,452.02 = 8,639.25 : x
2. Step 2: Convert to fraction form
   9,632.71/14,452.02 = 8,639.25/x
3. Step 3: Cross multiply
   9,632.71x = 14,452.02 × 8,639.25
4. Step 4: Simplify right side
   9,632.71x = 124,854,498.33
5. Step 5: Solve for x
   x = 124,854,498.33/9,632.71
6. Step 6: Final answer
   x = 12,961.51