Finding the Fourth Proportional to 9,633.32, 14,429.28 and 8,581.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,633.32 : 14,429.28 = 8,581.76 : x
2. Step 2: Convert to fraction form
   9,633.32/14,429.28 = 8,581.76/x
3. Step 3: Cross multiply
   9,633.32x = 14,429.28 × 8,581.76
4. Step 4: Simplify right side
   9,633.32x = 123,828,617.93
5. Step 5: Solve for x
   x = 123,828,617.93/9,633.32
6. Step 6: Final answer
   x = 12,854.20