Finding the Fourth Proportional to 16,778.41, 23,153.72 and 9,224.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,778.41 : 23,153.72 = 9,224.75 : x
2. Step 2: Convert to fraction form
   16,778.41/23,153.72 = 9,224.75/x
3. Step 3: Cross multiply
   16,778.41x = 23,153.72 × 9,224.75
4. Step 4: Simplify right side
   16,778.41x = 213,587,290.33
5. Step 5: Solve for x
   x = 213,587,290.33/16,778.41
6. Step 6: Final answer
   x = 12,729.89