Finding the Fourth Proportional to 2,639.59, 3,642.59 and 1,444.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639.59 : 3,642.59 = 1,444.58 : x
2. Step 2: Convert to fraction form
   2,639.59/3,642.59 = 1,444.58/x
3. Step 3: Cross multiply
   2,639.59x = 3,642.59 × 1,444.58
4. Step 4: Simplify right side
   2,639.59x = 5,262,012.66
5. Step 5: Solve for x
   x = 5,262,012.66/2,639.59
6. Step 6: Final answer
   x = 1,993.50