Finding the Fourth Proportional to 2,238.56, 3,089.21 and 1,243.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.56 : 3,089.21 = 1,243.94 : x
2. Step 2: Convert to fraction form
   2,238.56/3,089.21 = 1,243.94/x
3. Step 3: Cross multiply
   2,238.56x = 3,089.21 × 1,243.94
4. Step 4: Simplify right side
   2,238.56x = 3,842,776.44
5. Step 5: Solve for x
   x = 3,842,776.44/2,238.56
6. Step 6: Final answer
   x = 1,716.63