Finding the Fourth Proportional to 16,957.67, 23,401.22 and 9,403.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,957.67 : 23,401.22 = 9,403.94 : x
2. Step 2: Convert to fraction form
   16,957.67/23,401.22 = 9,403.94/x
3. Step 3: Cross multiply
   16,957.67x = 23,401.22 × 9,403.94
4. Step 4: Simplify right side
   16,957.67x = 220,063,504.78
5. Step 5: Solve for x
   x = 220,063,504.78/16,957.67
6. Step 6: Final answer
   x = 12,977.23