Finding the Fourth Proportional to 1,103.13, 1,522.17 and 605.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.13 : 1,522.17 = 605.75 : x
2. Step 2: Convert to fraction form
   1,103.13/1,522.17 = 605.75/x
3. Step 3: Cross multiply
   1,103.13x = 1,522.17 × 605.75
4. Step 4: Simplify right side
   1,103.13x = 922,046.87
5. Step 5: Solve for x
   x = 922,046.87/1,103.13
6. Step 6: Final answer
   x = 835.85