Finding the Fourth Proportional to 1,258.32, 1,735.86 and 760.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258.32 : 1,735.86 = 760.62 : x
2. Step 2: Convert to fraction form
   1,258.32/1,735.86 = 760.62/x
3. Step 3: Cross multiply
   1,258.32x = 1,735.86 × 760.62
4. Step 4: Simplify right side
   1,258.32x = 1,320,329.83
5. Step 5: Solve for x
   x = 1,320,329.83/1,258.32
6. Step 6: Final answer
   x = 1,049.28