Finding the Fourth Proportional to 16,221.27, 22,385.39 and 8,769.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221.27 : 22,385.39 = 8,769.27 : x
2. Step 2: Convert to fraction form
   16,221.27/22,385.39 = 8,769.27/x
3. Step 3: Cross multiply
   16,221.27x = 22,385.39 × 8,769.27
4. Step 4: Simplify right side
   16,221.27x = 196,303,528.97
5. Step 5: Solve for x
   x = 196,303,528.97/16,221.27
6. Step 6: Final answer
   x = 12,101.61