Finding the Fourth Proportional to 1,103.79, 1,523.23 and 606.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.79 : 1,523.23 = 606.47 : x
2. Step 2: Convert to fraction form
   1,103.79/1,523.23 = 606.47/x
3. Step 3: Cross multiply
   1,103.79x = 1,523.23 × 606.47
4. Step 4: Simplify right side
   1,103.79x = 923,786.41
5. Step 5: Solve for x
   x = 923,786.41/1,103.79
6. Step 6: Final answer
   x = 836.92