Finding the Fourth Proportional to 2,238.86, 3,089.61 and 1,244.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.86 : 3,089.61 = 1,244.12 : x
2. Step 2: Convert to fraction form
   2,238.86/3,089.61 = 1,244.12/x
3. Step 3: Cross multiply
   2,238.86x = 3,089.61 × 1,244.12
4. Step 4: Simplify right side
   2,238.86x = 3,843,845.59
5. Step 5: Solve for x
   x = 3,843,845.59/2,238.86
6. Step 6: Final answer
   x = 1,716.88