Finding the Fourth Proportional to 2,584.33, 3,566.36 and 1,405.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.33 : 3,566.36 = 1,405.40 : x
2. Step 2: Convert to fraction form
   2,584.33/3,566.36 = 1,405.40/x
3. Step 3: Cross multiply
   2,584.33x = 3,566.36 × 1,405.40
4. Step 4: Simplify right side
   2,584.33x = 5,012,168.09
5. Step 5: Solve for x
   x = 5,012,168.09/2,584.33
6. Step 6: Final answer
   x = 1,939.44