Finding the Fourth Proportional to 16,509.75, 22,783.35 and 8,956.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,509.75 : 22,783.35 = 8,956.09 : x
2. Step 2: Convert to fraction form
   16,509.75/22,783.35 = 8,956.09/x
3. Step 3: Cross multiply
   16,509.75x = 22,783.35 × 8,956.09
4. Step 4: Simplify right side
   16,509.75x = 204,049,733.10
5. Step 5: Solve for x
   x = 204,049,733.10/16,509.75
6. Step 6: Final answer
   x = 12,359.35