Finding the Fourth Proportional to 2,443.65, 3,372.16 and 1,381.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.65 : 3,372.16 = 1,381.46 : x
2. Step 2: Convert to fraction form
   2,443.65/3,372.16 = 1,381.46/x
3. Step 3: Cross multiply
   2,443.65x = 3,372.16 × 1,381.46
4. Step 4: Simplify right side
   2,443.65x = 4,658,504.15
5. Step 5: Solve for x
   x = 4,658,504.15/2,443.65
6. Step 6: Final answer
   x = 1,906.37