Finding the Fourth Proportional to 1,756.10, 2,423.39 and 959.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,756.10 : 2,423.39 = 959.40 : x
2. Step 2: Convert to fraction form
   1,756.10/2,423.39 = 959.40/x
3. Step 3: Cross multiply
   1,756.10x = 2,423.39 × 959.40
4. Step 4: Simplify right side
   1,756.10x = 2,325,002.76
5. Step 5: Solve for x
   x = 2,325,002.76/1,756.10
6. Step 6: Final answer
   x = 1,323.96