Finding the Fourth Proportional to 2,443.89, 3,372.51 and 1,324.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.89 : 3,372.51 = 1,324.78 : x
2. Step 2: Convert to fraction form
   2,443.89/3,372.51 = 1,324.78/x
3. Step 3: Cross multiply
   2,443.89x = 3,372.51 × 1,324.78
4. Step 4: Simplify right side
   2,443.89x = 4,467,833.80
5. Step 5: Solve for x
   x = 4,467,833.80/2,443.89
6. Step 6: Final answer
   x = 1,828.16