Finding the Fourth Proportional to 8,622.24, 12,949.76 and 5,358.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,622.24 : 12,949.76 = 5,358.14 : x
2. Step 2: Convert to fraction form
   8,622.24/12,949.76 = 5,358.14/x
3. Step 3: Cross multiply
   8,622.24x = 12,949.76 × 5,358.14
4. Step 4: Simplify right side
   8,622.24x = 69,386,672.82
5. Step 5: Solve for x
   x = 69,386,672.82/8,622.24
6. Step 6: Final answer
   x = 8,047.41