Finding the Fourth Proportional to 16,819.38, 25,183.96 and 9,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,819.38 : 25,183.96 = 9,402.72 : x
2. Step 2: Convert to fraction form
   16,819.38/25,183.96 = 9,402.72/x
3. Step 3: Cross multiply
   16,819.38x = 25,183.96 × 9,402.72
4. Step 4: Simplify right side
   16,819.38x = 236,797,700.86
5. Step 5: Solve for x
   x = 236,797,700.86/16,819.38
6. Step 6: Final answer
   x = 14,078.86