Finding the Fourth Proportional to 1,103.45, 1,522.69 and 606.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.45 : 1,522.69 = 606.09 : x
2. Step 2: Convert to fraction form
   1,103.45/1,522.69 = 606.09/x
3. Step 3: Cross multiply
   1,103.45x = 1,522.69 × 606.09
4. Step 4: Simplify right side
   1,103.45x = 922,887.18
5. Step 5: Solve for x
   x = 922,887.18/1,103.45
6. Step 6: Final answer
   x = 836.37