Finding the Fourth Proportional to 1,103.24, 1,521.89 and 683.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.24 : 1,521.89 = 683.46 : x
2. Step 2: Convert to fraction form
   1,103.24/1,521.89 = 683.46/x
3. Step 3: Cross multiply
   1,103.24x = 1,521.89 × 683.46
4. Step 4: Simplify right side
   1,103.24x = 1,040,147.52
5. Step 5: Solve for x
   x = 1,040,147.52/1,103.24
6. Step 6: Final answer
   x = 942.81