Finding the Fourth Proportional to 3,209.89, 4,429.60 and 1,793.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,209.89 : 4,429.60 = 1,793.61 : x
2. Step 2: Convert to fraction form
   3,209.89/4,429.60 = 1,793.61/x
3. Step 3: Cross multiply
   3,209.89x = 4,429.60 × 1,793.61
4. Step 4: Simplify right side
   3,209.89x = 7,944,974.86
5. Step 5: Solve for x
   x = 7,944,974.86/3,209.89
6. Step 6: Final answer
   x = 2,475.15