Finding the Fourth Proportional to 1,258.37, 1,736.50 and 760.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,258.37 : 1,736.50 = 760.96 : x
2. Step 2: Convert to fraction form
   1,258.37/1,736.50 = 760.96/x
3. Step 3: Cross multiply
   1,258.37x = 1,736.50 × 760.96
4. Step 4: Simplify right side
   1,258.37x = 1,321,407.04
5. Step 5: Solve for x
   x = 1,321,407.04/1,258.37
6. Step 6: Final answer
   x = 1,050.09