Finding the Fourth Proportional to 2,258.06, 3,382.86 and 1,330.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.06 : 3,382.86 = 1,330.88 : x
2. Step 2: Convert to fraction form
   2,258.06/3,382.86 = 1,330.88/x
3. Step 3: Cross multiply
   2,258.06x = 3,382.86 × 1,330.88
4. Step 4: Simplify right side
   2,258.06x = 4,502,180.72
5. Step 5: Solve for x
   x = 4,502,180.72/2,258.06
6. Step 6: Final answer
   x = 1,993.83