Finding the Fourth Proportional to 2,238.49, 3,089.10 and 1,294.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.49 : 3,089.10 = 1,294.27 : x
2. Step 2: Convert to fraction form
   2,238.49/3,089.10 = 1,294.27/x
3. Step 3: Cross multiply
   2,238.49x = 3,089.10 × 1,294.27
4. Step 4: Simplify right side
   2,238.49x = 3,998,129.46
5. Step 5: Solve for x
   x = 3,998,129.46/2,238.49
6. Step 6: Final answer
   x = 1,786.08