Finding the Fourth Proportional to 2,306.09, 3,182.34 and 1,258.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.09 : 3,182.34 = 1,258.16 : x
2. Step 2: Convert to fraction form
   2,306.09/3,182.34 = 1,258.16/x
3. Step 3: Cross multiply
   2,306.09x = 3,182.34 × 1,258.16
4. Step 4: Simplify right side
   2,306.09x = 4,003,892.89
5. Step 5: Solve for x
   x = 4,003,892.89/2,306.09
6. Step 6: Final answer
   x = 1,736.23