Finding the Fourth Proportional to 1,103.67, 1,523.05 and 606.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.67 : 1,523.05 = 606.28 : x
2. Step 2: Convert to fraction form
   1,103.67/1,523.05 = 606.28/x
3. Step 3: Cross multiply
   1,103.67x = 1,523.05 × 606.28
4. Step 4: Simplify right side
   1,103.67x = 923,391.72
5. Step 5: Solve for x
   x = 923,391.72/1,103.67
6. Step 6: Final answer
   x = 836.66