Finding the Fourth Proportional to 16,456.72, 22,710.84 and 9,004.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,456.72 : 22,710.84 = 9,004.72 : x
2. Step 2: Convert to fraction form
   16,456.72/22,710.84 = 9,004.72/x
3. Step 3: Cross multiply
   16,456.72x = 22,710.84 × 9,004.72
4. Step 4: Simplify right side
   16,456.72x = 204,504,755.16
5. Step 5: Solve for x
   x = 204,504,755.16/16,456.72
6. Step 6: Final answer
   x = 12,426.82