Finding the Fourth Proportional to 2,238.80, 3,089.45 and 1,244.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.80 : 3,089.45 = 1,244.03 : x
2. Step 2: Convert to fraction form
   2,238.80/3,089.45 = 1,244.03/x
3. Step 3: Cross multiply
   2,238.80x = 3,089.45 × 1,244.03
4. Step 4: Simplify right side
   2,238.80x = 3,843,356.15
5. Step 5: Solve for x
   x = 3,843,356.15/2,238.80
6. Step 6: Final answer
   x = 1,716.71