Finding the Fourth Proportional to 2,412.89, 3,329.79 and 1,418.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.89 : 3,329.79 = 1,418.18 : x
2. Step 2: Convert to fraction form
   2,412.89/3,329.79 = 1,418.18/x
3. Step 3: Cross multiply
   2,412.89x = 3,329.79 × 1,418.18
4. Step 4: Simplify right side
   2,412.89x = 4,722,241.58
5. Step 5: Solve for x
   x = 4,722,241.58/2,412.89
6. Step 6: Final answer
   x = 1,957.09