Finding the Fourth Proportional to 9,385.80, 14,150.72 and 8,751.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,385.80 : 14,150.72 = 8,751.28 : x
2. Step 2: Convert to fraction form
   9,385.80/14,150.72 = 8,751.28/x
3. Step 3: Cross multiply
   9,385.80x = 14,150.72 × 8,751.28
4. Step 4: Simplify right side
   9,385.80x = 123,836,912.92
5. Step 5: Solve for x
   x = 123,836,912.92/9,385.80
6. Step 6: Final answer
   x = 13,194.07