Finding the Fourth Proportional to 16,957.76, 23,401.23 and 9,404.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,957.76 : 23,401.23 = 9,404.05 : x
2. Step 2: Convert to fraction form
   16,957.76/23,401.23 = 9,404.05/x
3. Step 3: Cross multiply
   16,957.76x = 23,401.23 × 9,404.05
4. Step 4: Simplify right side
   16,957.76x = 220,066,313.54
5. Step 5: Solve for x
   x = 220,066,313.54/16,957.76
6. Step 6: Final answer
   x = 12,977.33