Finding the Fourth Proportional to 2,306.86, 3,183.46 and 1,258.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.86 : 3,183.46 = 1,258.93 : x
2. Step 2: Convert to fraction form
   2,306.86/3,183.46 = 1,258.93/x
3. Step 3: Cross multiply
   2,306.86x = 3,183.46 × 1,258.93
4. Step 4: Simplify right side
   2,306.86x = 4,007,753.30
5. Step 5: Solve for x
   x = 4,007,753.30/2,306.86
6. Step 6: Final answer
   x = 1,737.32