Finding the Fourth Proportional to 16,957.97, 23,401.56 and 9,404.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,957.97 : 23,401.56 = 9,404.18 : x
2. Step 2: Convert to fraction form
   16,957.97/23,401.56 = 9,404.18/x
3. Step 3: Cross multiply
   16,957.97x = 23,401.56 × 9,404.18
4. Step 4: Simplify right side
   16,957.97x = 220,072,482.52
5. Step 5: Solve for x
   x = 220,072,482.52/16,957.97
6. Step 6: Final answer
   x = 12,977.53