Finding the Fourth Proportional to 2,238.69, 3,089.38 and 1,294.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.69 : 3,089.38 = 1,294.47 : x
2. Step 2: Convert to fraction form
   2,238.69/3,089.38 = 1,294.47/x
3. Step 3: Cross multiply
   2,238.69x = 3,089.38 × 1,294.47
4. Step 4: Simplify right side
   2,238.69x = 3,999,109.73
5. Step 5: Solve for x
   x = 3,999,109.73/2,238.69
6. Step 6: Final answer
   x = 1,786.36