Finding the Fourth Proportional to 16,221.53, 22,385.71 and 8,769.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,221.53 : 22,385.71 = 8,769.53 : x
2. Step 2: Convert to fraction form
   16,221.53/22,385.71 = 8,769.53/x
3. Step 3: Cross multiply
   16,221.53x = 22,385.71 × 8,769.53
4. Step 4: Simplify right side
   16,221.53x = 196,312,155.42
5. Step 5: Solve for x
   x = 196,312,155.42/16,221.53
6. Step 6: Final answer
   x = 12,101.95