Finding the Fourth Proportional to 16,776.54, 23,151.91 and 9,223.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776.54 : 23,151.91 = 9,223.18 : x
2. Step 2: Convert to fraction form
   16,776.54/23,151.91 = 9,223.18/x
3. Step 3: Cross multiply
   16,776.54x = 23,151.91 × 9,223.18
4. Step 4: Simplify right side
   16,776.54x = 213,534,233.27
5. Step 5: Solve for x
   x = 213,534,233.27/16,776.54
6. Step 6: Final answer
   x = 12,728.15