Finding the Fourth Proportional to 2,238.67, 3,089.00 and 1,243.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.67 : 3,089.00 = 1,243.92 : x
2. Step 2: Convert to fraction form
   2,238.67/3,089.00 = 1,243.92/x
3. Step 3: Cross multiply
   2,238.67x = 3,089.00 × 1,243.92
4. Step 4: Simplify right side
   2,238.67x = 3,842,483.57
5. Step 5: Solve for x
   x = 3,842,483.57/2,238.67
6. Step 6: Final answer
   x = 1,716.41