Finding the Fourth Proportional to 1,258.12, 1,735.98 and 754.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258.12 : 1,735.98 = 754.03 : x
2. Step 2: Convert to fraction form
   1,258.12/1,735.98 = 754.03/x
3. Step 3: Cross multiply
   1,258.12x = 1,735.98 × 754.03
4. Step 4: Simplify right side
   1,258.12x = 1,308,981.00
5. Step 5: Solve for x
   x = 1,308,981.00/1,258.12
6. Step 6: Final answer
   x = 1,040.43