Finding the Fourth Proportional to 1,103.89, 1,523.37 and 606.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.89 : 1,523.37 = 606.54 : x
2. Step 2: Convert to fraction form
   1,103.89/1,523.37 = 606.54/x
3. Step 3: Cross multiply
   1,103.89x = 1,523.37 × 606.54
4. Step 4: Simplify right side
   1,103.89x = 923,982.55
5. Step 5: Solve for x
   x = 923,982.55/1,103.89
6. Step 6: Final answer
   x = 837.03