Finding the Fourth Proportional to 8,464.62, 12,755.13 and 7,016.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,464.62 : 12,755.13 = 7,016.37 : x
2. Step 2: Convert to fraction form
   8,464.62/12,755.13 = 7,016.37/x
3. Step 3: Cross multiply
   8,464.62x = 12,755.13 × 7,016.37
4. Step 4: Simplify right side
   8,464.62x = 89,494,711.48
5. Step 5: Solve for x
   x = 89,494,711.48/8,464.62
6. Step 6: Final answer
   x = 10,572.80