Finding the Fourth Proportional to 16,960.65, 23,404.53 and 9,406.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,960.65 : 23,404.53 = 9,406.27 : x
2. Step 2: Convert to fraction form
   16,960.65/23,404.53 = 9,406.27/x
3. Step 3: Cross multiply
   16,960.65x = 23,404.53 × 9,406.27
4. Step 4: Simplify right side
   16,960.65x = 220,149,269.89
5. Step 5: Solve for x
   x = 220,149,269.89/16,960.65
6. Step 6: Final answer
   x = 12,980.00