Finding the Fourth Proportional to 10,752.72, 16,132.12 and 9,724.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,752.72 : 16,132.12 = 9,724.56 : x
2. Step 2: Convert to fraction form
   10,752.72/16,132.12 = 9,724.56/x
3. Step 3: Cross multiply
   10,752.72x = 16,132.12 × 9,724.56
4. Step 4: Simplify right side
   10,752.72x = 156,877,768.87
5. Step 5: Solve for x
   x = 156,877,768.87/10,752.72
6. Step 6: Final answer
   x = 14,589.59