Finding the Fourth Proportional to 16,957.42, 23,401.82 and 9,404.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,957.42 : 23,401.82 = 9,404.48 : x
2. Step 2: Convert to fraction form
   16,957.42/23,401.82 = 9,404.48/x
3. Step 3: Cross multiply
   16,957.42x = 23,401.82 × 9,404.48
4. Step 4: Simplify right side
   16,957.42x = 220,081,948.15
5. Step 5: Solve for x
   x = 220,081,948.15/16,957.42
6. Step 6: Final answer
   x = 12,978.50