Finding the Fourth Proportional to 2,238.60, 3,089.18 and 1,294.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.60 : 3,089.18 = 1,294.24 : x
2. Step 2: Convert to fraction form
   2,238.60/3,089.18 = 1,294.24/x
3. Step 3: Cross multiply
   2,238.60x = 3,089.18 × 1,294.24
4. Step 4: Simplify right side
   2,238.60x = 3,998,140.32
5. Step 5: Solve for x
   x = 3,998,140.32/2,238.60
6. Step 6: Final answer
   x = 1,786.00