Finding the Fourth Proportional to 17,359.67, 23,956.34 and 9,401.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,359.67 : 23,956.34 = 9,401.90 : x
2. Step 2: Convert to fraction form
   17,359.67/23,956.34 = 9,401.90/x
3. Step 3: Cross multiply
   17,359.67x = 23,956.34 × 9,401.90
4. Step 4: Simplify right side
   17,359.67x = 225,234,969.76
5. Step 5: Solve for x
   x = 225,234,969.76/17,359.67
6. Step 6: Final answer
   x = 12,974.61