Finding the Fourth Proportional to 2,579.36, 3,558.67 and 1,584.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.36 : 3,558.67 = 1,584.27 : x
2. Step 2: Convert to fraction form
   2,579.36/3,558.67 = 1,584.27/x
3. Step 3: Cross multiply
   2,579.36x = 3,558.67 × 1,584.27
4. Step 4: Simplify right side
   2,579.36x = 5,637,890.16
5. Step 5: Solve for x
   x = 5,637,890.16/2,579.36
6. Step 6: Final answer
   x = 2,185.78