Finding the Fourth Proportional to 8,222.28, 11,344.72 and 5,568.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,222.28 : 11,344.72 = 5,568.72 : x
2. Step 2: Convert to fraction form
   8,222.28/11,344.72 = 5,568.72/x
3. Step 3: Cross multiply
   8,222.28x = 11,344.72 × 5,568.72
4. Step 4: Simplify right side
   8,222.28x = 63,175,569.16
5. Step 5: Solve for x
   x = 63,175,569.16/8,222.28
6. Step 6: Final answer
   x = 7,683.46