Finding the Fourth Proportional to 12,282.72, 16,935 and 10,391.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,282.72 : 16,935 = 10,391.04 : x
2. Step 2: Convert to fraction form
   12,282.72/16,935 = 10,391.04/x
3. Step 3: Cross multiply
   12,282.72x = 16,935 × 10,391.04
4. Step 4: Simplify right side
   12,282.72x = 175,972,262.40
5. Step 5: Solve for x
   x = 175,972,262.40/12,282.72
6. Step 6: Final answer
   x = 14,326.82