Finding the Fourth Proportional to 16,674.24, 23,010.72 and 9,221.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,674.24 : 23,010.72 = 9,221.76 : x
2. Step 2: Convert to fraction form
   16,674.24/23,010.72 = 9,221.76/x
3. Step 3: Cross multiply
   16,674.24x = 23,010.72 × 9,221.76
4. Step 4: Simplify right side
   16,674.24x = 212,199,337.27
5. Step 5: Solve for x
   x = 212,199,337.27/16,674.24
6. Step 6: Final answer
   x = 12,726.18