Finding the Fourth Proportional to 16,928.72, 25,401.72 and 7,693.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,928.72 : 25,401.72 = 7,693.52 : x
2. Step 2: Convert to fraction form
   16,928.72/25,401.72 = 7,693.52/x
3. Step 3: Cross multiply
   16,928.72x = 25,401.72 × 7,693.52
4. Step 4: Simplify right side
   16,928.72x = 195,428,640.85
5. Step 5: Solve for x
   x = 195,428,640.85/16,928.72
6. Step 6: Final answer
   x = 11,544.21