Finding the Fourth Proportional to 16,776.72, 23,152.14 and 9,223.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776.72 : 23,152.14 = 9,223.38 : x
2. Step 2: Convert to fraction form
   16,776.72/23,152.14 = 9,223.38/x
3. Step 3: Cross multiply
   16,776.72x = 23,152.14 × 9,223.38
4. Step 4: Simplify right side
   16,776.72x = 213,540,985.03
5. Step 5: Solve for x
   x = 213,540,985.03/16,776.72
6. Step 6: Final answer
   x = 12,728.41