Finding the Fourth Proportional to 3,488.04, 5,231.12 and 1,022.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,488.04 : 5,231.12 = 1,022.27 : x
2. Step 2: Convert to fraction form
   3,488.04/5,231.12 = 1,022.27/x
3. Step 3: Cross multiply
   3,488.04x = 5,231.12 × 1,022.27
4. Step 4: Simplify right side
   3,488.04x = 5,347,585.78
5. Step 5: Solve for x
   x = 5,347,585.78/3,488.04
6. Step 6: Final answer
   x = 1,533.12