Finding the Fourth Proportional to 8,868.72, 12,234.96 and 5,329.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,868.72 : 12,234.96 = 5,329.89 : x
2. Step 2: Convert to fraction form
   8,868.72/12,234.96 = 5,329.89/x
3. Step 3: Cross multiply
   8,868.72x = 12,234.96 × 5,329.89
4. Step 4: Simplify right side
   8,868.72x = 65,210,990.95
5. Step 5: Solve for x
   x = 65,210,990.95/8,868.72
6. Step 6: Final answer
   x = 7,352.92