Finding the Fourth Proportional to 9,329.30, 13,925.69 and 8,222.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,329.30 : 13,925.69 = 8,222.16 : x
2. Step 2: Convert to fraction form
   9,329.30/13,925.69 = 8,222.16/x
3. Step 3: Cross multiply
   9,329.30x = 13,925.69 × 8,222.16
4. Step 4: Simplify right side
   9,329.30x = 114,499,251.29
5. Step 5: Solve for x
   x = 114,499,251.29/9,329.30
6. Step 6: Final answer
   x = 12,273.08