Finding the Fourth Proportional to 9,016.14, 12,450.78 and 8,525.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.14 : 12,450.78 = 8,525.28 : x
2. Step 2: Convert to fraction form
   9,016.14/12,450.78 = 8,525.28/x
3. Step 3: Cross multiply
   9,016.14x = 12,450.78 × 8,525.28
4. Step 4: Simplify right side
   9,016.14x = 106,146,385.72
5. Step 5: Solve for x
   x = 106,146,385.72/9,016.14
6. Step 6: Final answer
   x = 11,772.93