Finding the Fourth Proportional to 2,238.30, 3,089.02 and 1,294.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.30 : 3,089.02 = 1,294.42 : x
2. Step 2: Convert to fraction form
   2,238.30/3,089.02 = 1,294.42/x
3. Step 3: Cross multiply
   2,238.30x = 3,089.02 × 1,294.42
4. Step 4: Simplify right side
   2,238.30x = 3,998,489.27
5. Step 5: Solve for x
   x = 3,998,489.27/2,238.30
6. Step 6: Final answer
   x = 1,786.40