Finding the Fourth Proportional to 2,443.62, 3,372.24 and 1,381.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.62 : 3,372.24 = 1,381.58 : x
2. Step 2: Convert to fraction form
   2,443.62/3,372.24 = 1,381.58/x
3. Step 3: Cross multiply
   2,443.62x = 3,372.24 × 1,381.58
4. Step 4: Simplify right side
   2,443.62x = 4,659,019.34
5. Step 5: Solve for x
   x = 4,659,019.34/2,443.62
6. Step 6: Final answer
   x = 1,906.61