Finding the Fourth Proportional to 1,103.35, 1,522.61 and 605.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.35 : 1,522.61 = 605.99 : x
2. Step 2: Convert to fraction form
   1,103.35/1,522.61 = 605.99/x
3. Step 3: Cross multiply
   1,103.35x = 1,522.61 × 605.99
4. Step 4: Simplify right side
   1,103.35x = 922,683.40
5. Step 5: Solve for x
   x = 922,683.40/1,103.35
6. Step 6: Final answer
   x = 836.26