Finding the Fourth Proportional to 8,208.05, 12,311.98 and 5,569.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,208.05 : 12,311.98 = 5,569.02 : x
2. Step 2: Convert to fraction form
   8,208.05/12,311.98 = 5,569.02/x
3. Step 3: Cross multiply
   8,208.05x = 12,311.98 × 5,569.02
4. Step 4: Simplify right side
   8,208.05x = 68,565,662.86
5. Step 5: Solve for x
   x = 68,565,662.86/8,208.05
6. Step 6: Final answer
   x = 8,353.47