Finding the Fourth Proportional to 1,096.74, 1,643.29 and 958.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.74 : 1,643.29 = 958.23 : x
2. Step 2: Convert to fraction form
   1,096.74/1,643.29 = 958.23/x
3. Step 3: Cross multiply
   1,096.74x = 1,643.29 × 958.23
4. Step 4: Simplify right side
   1,096.74x = 1,574,647.38
5. Step 5: Solve for x
   x = 1,574,647.38/1,096.74
6. Step 6: Final answer
   x = 1,435.75