Finding the Fourth Proportional to 2,183.46, 3,013.59 and 1,299.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183.46 : 3,013.59 = 1,299.78 : x
2. Step 2: Convert to fraction form
   2,183.46/3,013.59 = 1,299.78/x
3. Step 3: Cross multiply
   2,183.46x = 3,013.59 × 1,299.78
4. Step 4: Simplify right side
   2,183.46x = 3,917,004.01
5. Step 5: Solve for x
   x = 3,917,004.01/2,183.46
6. Step 6: Final answer
   x = 1,793.94