Finding the Fourth Proportional to 16,509.97, 22,783.59 and 8,956.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,509.97 : 22,783.59 = 8,956.18 : x
2. Step 2: Convert to fraction form
   16,509.97/22,783.59 = 8,956.18/x
3. Step 3: Cross multiply
   16,509.97x = 22,783.59 × 8,956.18
4. Step 4: Simplify right side
   16,509.97x = 204,053,933.09
5. Step 5: Solve for x
   x = 204,053,933.09/16,509.97
6. Step 6: Final answer
   x = 12,359.44