Finding the Fourth Proportional to 2,639.39, 3,642.32 and 1,444.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.39 : 3,642.32 = 1,444.42 : x
2. Step 2: Convert to fraction form
   2,639.39/3,642.32 = 1,444.42/x
3. Step 3: Cross multiply
   2,639.39x = 3,642.32 × 1,444.42
4. Step 4: Simplify right side
   2,639.39x = 5,261,019.41
5. Step 5: Solve for x
   x = 5,261,019.41/2,639.39
6. Step 6: Final answer
   x = 1,993.27