Finding the Fourth Proportional to 16,958.50, 23,401.91 and 9,404.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,958.50 : 23,401.91 = 9,404.24 : x
2. Step 2: Convert to fraction form
   16,958.50/23,401.91 = 9,404.24/x
3. Step 3: Cross multiply
   16,958.50x = 23,401.91 × 9,404.24
4. Step 4: Simplify right side
   16,958.50x = 220,077,084.60
5. Step 5: Solve for x
   x = 220,077,084.60/16,958.50
6. Step 6: Final answer
   x = 12,977.39