Finding the Fourth Proportional to 1,162.28, 1,603.91 and 683.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.28 : 1,603.91 = 683.73 : x
2. Step 2: Convert to fraction form
   1,162.28/1,603.91 = 683.73/x
3. Step 3: Cross multiply
   1,162.28x = 1,603.91 × 683.73
4. Step 4: Simplify right side
   1,162.28x = 1,096,629.95
5. Step 5: Solve for x
   x = 1,096,629.95/1,162.28
6. Step 6: Final answer
   x = 943.52