Finding the Fourth Proportional to 1,103.85, 1,523.34 and 606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.85 : 1,523.34 = 606.50 : x
2. Step 2: Convert to fraction form
   1,103.85/1,523.34 = 606.50/x
3. Step 3: Cross multiply
   1,103.85x = 1,523.34 × 606.50
4. Step 4: Simplify right side
   1,103.85x = 923,903.81
5. Step 5: Solve for x
   x = 923,903.81/1,103.85
6. Step 6: Final answer
   x = 836.98