Finding the Fourth Proportional to 1,103.55, 1,522.85 and 606.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.55 : 1,522.85 = 606.18 : x
2. Step 2: Convert to fraction form
   1,103.55/1,522.85 = 606.18/x
3. Step 3: Cross multiply
   1,103.55x = 1,522.85 × 606.18
4. Step 4: Simplify right side
   1,103.55x = 923,121.21
5. Step 5: Solve for x
   x = 923,121.21/1,103.55
6. Step 6: Final answer
   x = 836.50