Finding the Fourth Proportional to 16,490.38, 22,756.33 and 8,936.39

Step by Step Solution

1. Step 1: Write the proportion equation
   16,490.38 : 22,756.33 = 8,936.39 : x
2. Step 2: Convert to fraction form
   16,490.38/22,756.33 = 8,936.39/x
3. Step 3: Cross multiply
   16,490.38x = 22,756.33 × 8,936.39
4. Step 4: Simplify right side
   16,490.38x = 203,359,439.85
5. Step 5: Solve for x
   x = 203,359,439.85/16,490.38
6. Step 6: Final answer
   x = 12,332.00