Finding the Fourth Proportional to 2,238.48, 3,358.94 and 1,084.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.48 : 3,358.94 = 1,084.23 : x
2. Step 2: Convert to fraction form
   2,238.48/3,358.94 = 1,084.23/x
3. Step 3: Cross multiply
   2,238.48x = 3,358.94 × 1,084.23
4. Step 4: Simplify right side
   2,238.48x = 3,641,858.10
5. Step 5: Solve for x
   x = 3,641,858.10/2,238.48
6. Step 6: Final answer
   x = 1,626.93