Finding the Fourth Proportional to 8,865.42, 12,222.92 and 7,266.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,865.42 : 12,222.92 = 7,266.18 : x
2. Step 2: Convert to fraction form
   8,865.42/12,222.92 = 7,266.18/x
3. Step 3: Cross multiply
   8,865.42x = 12,222.92 × 7,266.18
4. Step 4: Simplify right side
   8,865.42x = 88,813,936.85
5. Step 5: Solve for x
   x = 88,813,936.85/8,865.42
6. Step 6: Final answer
   x = 10,018.02