Finding the Fourth Proportional to 2,389.92, 3,297.18 and 1,394.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.92 : 3,297.18 = 1,394.82 : x
2. Step 2: Convert to fraction form
   2,389.92/3,297.18 = 1,394.82/x
3. Step 3: Cross multiply
   2,389.92x = 3,297.18 × 1,394.82
4. Step 4: Simplify right side
   2,389.92x = 4,598,972.61
5. Step 5: Solve for x
   x = 4,598,972.61/2,389.92
6. Step 6: Final answer
   x = 1,924.32