Finding the Fourth Proportional to 1,103.06, 1,522.24 and 605.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.06 : 1,522.24 = 605.72 : x
2. Step 2: Convert to fraction form
   1,103.06/1,522.24 = 605.72/x
3. Step 3: Cross multiply
   1,103.06x = 1,522.24 × 605.72
4. Step 4: Simplify right side
   1,103.06x = 922,044.94
5. Step 5: Solve for x
   x = 922,044.94/1,103.06
6. Step 6: Final answer
   x = 835.90