Finding the Fourth Proportional to 16,178.27, 22,326.53 and 8,811.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,178.27 : 22,326.53 = 8,811.72 : x
2. Step 2: Convert to fraction form
   16,178.27/22,326.53 = 8,811.72/x
3. Step 3: Cross multiply
   16,178.27x = 22,326.53 × 8,811.72
4. Step 4: Simplify right side
   16,178.27x = 196,735,086.87
5. Step 5: Solve for x
   x = 196,735,086.87/16,178.27
6. Step 6: Final answer
   x = 12,160.46