Finding the Fourth Proportional to 16,279.32, 22,469.49 and 9,209.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,279.32 : 22,469.49 = 9,209.94 : x
2. Step 2: Convert to fraction form
   16,279.32/22,469.49 = 9,209.94/x
3. Step 3: Cross multiply
   16,279.32x = 22,469.49 × 9,209.94
4. Step 4: Simplify right side
   16,279.32x = 206,942,654.73
5. Step 5: Solve for x
   x = 206,942,654.73/16,279.32
6. Step 6: Final answer
   x = 12,712.00