Finding the Fourth Proportional to 16,281.77, 22,469.27 and 9,206.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,281.77 : 22,469.27 = 9,206.82 : x
2. Step 2: Convert to fraction form
   16,281.77/22,469.27 = 9,206.82/x
3. Step 3: Cross multiply
   16,281.77x = 22,469.27 × 9,206.82
4. Step 4: Simplify right side
   16,281.77x = 206,870,478.39
5. Step 5: Solve for x
   x = 206,870,478.39/16,281.77
6. Step 6: Final answer
   x = 12,705.65