Finding the Fourth Proportional to 1,103.43, 1,522.42 and 683.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.43 : 1,522.42 = 683.65 : x
2. Step 2: Convert to fraction form
   1,103.43/1,522.42 = 683.65/x
3. Step 3: Cross multiply
   1,103.43x = 1,522.42 × 683.65
4. Step 4: Simplify right side
   1,103.43x = 1,040,796.92
5. Step 5: Solve for x
   x = 1,040,796.92/1,103.43
6. Step 6: Final answer
   x = 943.24