Finding the Fourth Proportional to 1,105.97, 1,522.24 and 958.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.97 : 1,522.24 = 958.35 : x
2. Step 2: Convert to fraction form
   1,105.97/1,522.24 = 958.35/x
3. Step 3: Cross multiply
   1,105.97x = 1,522.24 × 958.35
4. Step 4: Simplify right side
   1,105.97x = 1,458,842.06
5. Step 5: Solve for x
   x = 1,458,842.06/1,105.97
6. Step 6: Final answer
   x = 1,319.06