Finding the Fourth Proportional to 1,706.50, 2,354.58 and 960.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,706.50 : 2,354.58 = 960.42 : x
2. Step 2: Convert to fraction form
   1,706.50/2,354.58 = 960.42/x
3. Step 3: Cross multiply
   1,706.50x = 2,354.58 × 960.42
4. Step 4: Simplify right side
   1,706.50x = 2,261,385.72
5. Step 5: Solve for x
   x = 2,261,385.72/1,706.50
6. Step 6: Final answer
   x = 1,325.16