Finding the Fourth Proportional to 1,443.03, 1,995.27 and 1,258.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.03 : 1,995.27 = 1,258.50 : x
2. Step 2: Convert to fraction form
   1,443.03/1,995.27 = 1,258.50/x
3. Step 3: Cross multiply
   1,443.03x = 1,995.27 × 1,258.50
4. Step 4: Simplify right side
   1,443.03x = 2,511,047.30
5. Step 5: Solve for x
   x = 2,511,047.30/1,443.03
6. Step 6: Final answer
   x = 1,740.12