Finding the Fourth Proportional to 16,288.28, 22,477.82 and 8,836.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,288.28 : 22,477.82 = 8,836.28 : x
2. Step 2: Convert to fraction form
   16,288.28/22,477.82 = 8,836.28/x
3. Step 3: Cross multiply
   16,288.28x = 22,477.82 × 8,836.28
4. Step 4: Simplify right side
   16,288.28x = 198,620,311.31
5. Step 5: Solve for x
   x = 198,620,311.31/16,288.28
6. Step 6: Final answer
   x = 12,194.06