Finding the Fourth Proportional to 9,421.92, 14,103.72 and 8,022.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,421.92 : 14,103.72 = 8,022.24 : x
2. Step 2: Convert to fraction form
   9,421.92/14,103.72 = 8,022.24/x
3. Step 3: Cross multiply
   9,421.92x = 14,103.72 × 8,022.24
4. Step 4: Simplify right side
   9,421.92x = 113,143,426.73
5. Step 5: Solve for x
   x = 113,143,426.73/9,421.92
6. Step 6: Final answer
   x = 12,008.53