Finding the Fourth Proportional to 16,499.38, 22,768.94 and 8,945.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.38 : 22,768.94 = 8,945.72 : x
2. Step 2: Convert to fraction form
   16,499.38/22,768.94 = 8,945.72/x
3. Step 3: Cross multiply
   16,499.38x = 22,768.94 × 8,945.72
4. Step 4: Simplify right side
   16,499.38x = 203,684,561.94
5. Step 5: Solve for x
   x = 203,684,561.94/16,499.38
6. Step 6: Final answer
   x = 12,344.98