Finding the Fourth Proportional to 16,908.18, 23,333.10 and 9,456.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,908.18 : 23,333.10 = 9,456.18 : x
2. Step 2: Convert to fraction form
   16,908.18/23,333.10 = 9,456.18/x
3. Step 3: Cross multiply
   16,908.18x = 23,333.10 × 9,456.18
4. Step 4: Simplify right side
   16,908.18x = 220,641,993.56
5. Step 5: Solve for x
   x = 220,641,993.56/16,908.18
6. Step 6: Final answer
   x = 13,049.42