Finding the Fourth Proportional to 16,162.81, 22,304.50 and 8,992.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,162.81 : 22,304.50 = 8,992.69 : x
2. Step 2: Convert to fraction form
   16,162.81/22,304.50 = 8,992.69/x
3. Step 3: Cross multiply
   16,162.81x = 22,304.50 × 8,992.69
4. Step 4: Simplify right side
   16,162.81x = 200,577,375.86
5. Step 5: Solve for x
   x = 200,577,375.86/16,162.81
6. Step 6: Final answer
   x = 12,409.81