Finding the Fourth Proportional to 2,238.56, 3,089.08 and 1,243.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.56 : 3,089.08 = 1,243.82 : x
2. Step 2: Convert to fraction form
   2,238.56/3,089.08 = 1,243.82/x
3. Step 3: Cross multiply
   2,238.56x = 3,089.08 × 1,243.82
4. Step 4: Simplify right side
   2,238.56x = 3,842,259.49
5. Step 5: Solve for x
   x = 3,842,259.49/2,238.56
6. Step 6: Final answer
   x = 1,716.40