Finding the Fourth Proportional to 1,705.40, 2,353.41 and 959.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.40 : 2,353.41 = 959.25 : x
2. Step 2: Convert to fraction form
   1,705.40/2,353.41 = 959.25/x
3. Step 3: Cross multiply
   1,705.40x = 2,353.41 × 959.25
4. Step 4: Simplify right side
   1,705.40x = 2,257,508.54
5. Step 5: Solve for x
   x = 2,257,508.54/1,705.40
6. Step 6: Final answer
   x = 1,323.75