Finding the Fourth Proportional to 16,508.23, 22,781.16 and 8,954.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,508.23 : 22,781.16 = 8,954.42 : x
2. Step 2: Convert to fraction form
   16,508.23/22,781.16 = 8,954.42/x
3. Step 3: Cross multiply
   16,508.23x = 22,781.16 × 8,954.42
4. Step 4: Simplify right side
   16,508.23x = 203,991,960.82
5. Step 5: Solve for x
   x = 203,991,960.82/16,508.23
6. Step 6: Final answer
   x = 12,356.99