Finding the Fourth Proportional to 16,291.75, 24,399.34 and 7,945.62

Step by Step Solution

1. Step 1: Write the proportion equation
   16,291.75 : 24,399.34 = 7,945.62 : x
2. Step 2: Convert to fraction form
   16,291.75/24,399.34 = 7,945.62/x
3. Step 3: Cross multiply
   16,291.75x = 24,399.34 × 7,945.62
4. Step 4: Simplify right side
   16,291.75x = 193,867,883.89
5. Step 5: Solve for x
   x = 193,867,883.89/16,291.75
6. Step 6: Final answer
   x = 11,899.76