Finding the Fourth Proportional to 9,214.72, 12,716.24 and 5,022.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,214.72 : 12,716.24 = 5,022.88 : x
2. Step 2: Convert to fraction form
   9,214.72/12,716.24 = 5,022.88/x
3. Step 3: Cross multiply
   9,214.72x = 12,716.24 × 5,022.88
4. Step 4: Simplify right side
   9,214.72x = 63,872,147.57
5. Step 5: Solve for x
   x = 63,872,147.57/9,214.72
6. Step 6: Final answer
   x = 6,931.53