Finding the Fourth Proportional to 16,908.72, 23,333.40 and 9,456.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,908.72 : 23,333.40 = 9,456.24 : x
2. Step 2: Convert to fraction form
   16,908.72/23,333.40 = 9,456.24/x
3. Step 3: Cross multiply
   16,908.72x = 23,333.40 × 9,456.24
4. Step 4: Simplify right side
   16,908.72x = 220,646,230.42
5. Step 5: Solve for x
   x = 220,646,230.42/16,908.72
6. Step 6: Final answer
   x = 13,049.26