Finding the Fourth Proportional to 1,103.48, 1,522.81 and 606.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.48 : 1,522.81 = 606.10 : x
2. Step 2: Convert to fraction form
   1,103.48/1,522.81 = 606.10/x
3. Step 3: Cross multiply
   1,103.48x = 1,522.81 × 606.10
4. Step 4: Simplify right side
   1,103.48x = 922,975.14
5. Step 5: Solve for x
   x = 922,975.14/1,103.48
6. Step 6: Final answer
   x = 836.42