Finding the Fourth Proportional to 9,016.74, 12,446.78 and 7,752.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.74 : 12,446.78 = 7,752.72 : x
2. Step 2: Convert to fraction form
   9,016.74/12,446.78 = 7,752.72/x
3. Step 3: Cross multiply
   9,016.74x = 12,446.78 × 7,752.72
4. Step 4: Simplify right side
   9,016.74x = 96,496,400.24
5. Step 5: Solve for x
   x = 96,496,400.24/9,016.74
6. Step 6: Final answer
   x = 10,701.92