Finding the Fourth Proportional to 8,168.33, 12,234.88 and 5,521.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,168.33 : 12,234.88 = 5,521.30 : x
2. Step 2: Convert to fraction form
   8,168.33/12,234.88 = 5,521.30/x
3. Step 3: Cross multiply
   8,168.33x = 12,234.88 × 5,521.30
4. Step 4: Simplify right side
   8,168.33x = 67,552,442.94
5. Step 5: Solve for x
   x = 67,552,442.94/8,168.33
6. Step 6: Final answer
   x = 8,270.04