Finding the Fourth Proportional to 16,780.40, 23,147.83 and 10,404.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,780.40 : 23,147.83 = 10,404.83 : x
2. Step 2: Convert to fraction form
   16,780.40/23,147.83 = 10,404.83/x
3. Step 3: Cross multiply
   16,780.40x = 23,147.83 × 10,404.83
4. Step 4: Simplify right side
   16,780.40x = 240,849,183.99
5. Step 5: Solve for x
   x = 240,849,183.99/16,780.40
6. Step 6: Final answer
   x = 14,353.01