Finding the Fourth Proportional to 1,361.25, 1,879.27 and 958.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.25 : 1,879.27 = 958.10 : x
2. Step 2: Convert to fraction form
   1,361.25/1,879.27 = 958.10/x
3. Step 3: Cross multiply
   1,361.25x = 1,879.27 × 958.10
4. Step 4: Simplify right side
   1,361.25x = 1,800,516.80
5. Step 5: Solve for x
   x = 1,800,516.80/1,361.25
6. Step 6: Final answer
   x = 1,322.69