Finding the Fourth Proportional to 16,221.38, 22,385.52 and 8,769.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221.38 : 22,385.52 = 8,769.38 : x
2. Step 2: Convert to fraction form
   16,221.38/22,385.52 = 8,769.38/x
3. Step 3: Cross multiply
   16,221.38x = 22,385.52 × 8,769.38
4. Step 4: Simplify right side
   16,221.38x = 196,307,019.45
5. Step 5: Solve for x
   x = 196,307,019.45/16,221.38
6. Step 6: Final answer
   x = 12,101.75