Finding the Fourth Proportional to 16,778.24, 23,153.98 and 9,224.51

Step by Step Solution

1. Step 1: Write the proportion equation
   16,778.24 : 23,153.98 = 9,224.51 : x
2. Step 2: Convert to fraction form
   16,778.24/23,153.98 = 9,224.51/x
3. Step 3: Cross multiply
   16,778.24x = 23,153.98 × 9,224.51
4. Step 4: Simplify right side
   16,778.24x = 213,584,037.69
5. Step 5: Solve for x
   x = 213,584,037.69/16,778.24
6. Step 6: Final answer
   x = 12,729.82