Finding the Fourth Proportional to 8,863.46, 12,229.89 and 5,325.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,863.46 : 12,229.89 = 5,325.38 : x
2. Step 2: Convert to fraction form
   8,863.46/12,229.89 = 5,325.38/x
3. Step 3: Cross multiply
   8,863.46x = 12,229.89 × 5,325.38
4. Step 4: Simplify right side
   8,863.46x = 65,128,811.61
5. Step 5: Solve for x
   x = 65,128,811.61/8,863.46
6. Step 6: Final answer
   x = 7,348.01