Finding the Fourth Proportional to 16,401.34, 22,633.72 and 9,327.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,401.34 : 22,633.72 = 9,327.76 : x
2. Step 2: Convert to fraction form
   16,401.34/22,633.72 = 9,327.76/x
3. Step 3: Cross multiply
   16,401.34x = 22,633.72 × 9,327.76
4. Step 4: Simplify right side
   16,401.34x = 211,121,908.07
5. Step 5: Solve for x
   x = 211,121,908.07/16,401.34
6. Step 6: Final answer
   x = 12,872.24