Finding the Fourth Proportional to 1,706.82, 2,355.42 and 960.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,706.82 : 2,355.42 = 960.77 : x
2. Step 2: Convert to fraction form
   1,706.82/2,355.42 = 960.77/x
3. Step 3: Cross multiply
   1,706.82x = 2,355.42 × 960.77
4. Step 4: Simplify right side
   1,706.82x = 2,263,016.87
5. Step 5: Solve for x
   x = 2,263,016.87/1,706.82
6. Step 6: Final answer
   x = 1,325.87