Finding the Fourth Proportional to 16,441.72, 22,688.04 and 9,367.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,441.72 : 22,688.04 = 9,367.96 : x
2. Step 2: Convert to fraction form
   16,441.72/22,688.04 = 9,367.96/x
3. Step 3: Cross multiply
   16,441.72x = 22,688.04 × 9,367.96
4. Step 4: Simplify right side
   16,441.72x = 212,540,651.20
5. Step 5: Solve for x
   x = 212,540,651.20/16,441.72
6. Step 6: Final answer
   x = 12,926.91