Finding the Fourth Proportional to 1,401.57, 1,934.64 and 958.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.57 : 1,934.64 = 958.68 : x
2. Step 2: Convert to fraction form
   1,401.57/1,934.64 = 958.68/x
3. Step 3: Cross multiply
   1,401.57x = 1,934.64 × 958.68
4. Step 4: Simplify right side
   1,401.57x = 1,854,700.68
5. Step 5: Solve for x
   x = 1,854,700.68/1,401.57
6. Step 6: Final answer
   x = 1,323.30