Finding the Fourth Proportional to 16,457, 22,710.82 and 9,005

Step by Step Solution

1. Step 1: Write the proportion equation
   16,457 : 22,710.82 = 9,005 : x
2. Step 2: Convert to fraction form
   16,457/22,710.82 = 9,005/x
3. Step 3: Cross multiply
   16,457x = 22,710.82 × 9,005
4. Step 4: Simplify right side
   16,457x = 204,510,934.10
5. Step 5: Solve for x
   x = 204,510,934.10/16,457
6. Step 6: Final answer
   x = 12,426.99