Finding the Fourth Proportional to 2,306.55, 3,182.95 and 1,258.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.55 : 3,182.95 = 1,258.59 : x
2. Step 2: Convert to fraction form
   2,306.55/3,182.95 = 1,258.59/x
3. Step 3: Cross multiply
   2,306.55x = 3,182.95 × 1,258.59
4. Step 4: Simplify right side
   2,306.55x = 4,006,009.98
5. Step 5: Solve for x
   x = 4,006,009.98/2,306.55
6. Step 6: Final answer
   x = 1,736.80