Finding the Fourth Proportional to 16,674.72, 23,009.76 and 9,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,674.72 : 23,009.76 = 9,222.72 : x
2. Step 2: Convert to fraction form
   16,674.72/23,009.76 = 9,222.72/x
3. Step 3: Cross multiply
   16,674.72x = 23,009.76 × 9,222.72
4. Step 4: Simplify right side
   16,674.72x = 212,212,573.75
5. Step 5: Solve for x
   x = 212,212,573.75/16,674.72
6. Step 6: Final answer
   x = 12,726.60