Finding the Fourth Proportional to 3,862.32, 5,328.05 and 2,443.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,862.32 : 5,328.05 = 2,443.62 : x
2. Step 2: Convert to fraction form
   3,862.32/5,328.05 = 2,443.62/x
3. Step 3: Cross multiply
   3,862.32x = 5,328.05 × 2,443.62
4. Step 4: Simplify right side
   3,862.32x = 13,019,717.32
5. Step 5: Solve for x
   x = 13,019,717.32/3,862.32
6. Step 6: Final answer
   x = 3,370.96