Finding the Fourth Proportional to 2,584.25, 3,566.12 and 1,405.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.25 : 3,566.12 = 1,405.31 : x
2. Step 2: Convert to fraction form
   2,584.25/3,566.12 = 1,405.31/x
3. Step 3: Cross multiply
   2,584.25x = 3,566.12 × 1,405.31
4. Step 4: Simplify right side
   2,584.25x = 5,011,479.24
5. Step 5: Solve for x
   x = 5,011,479.24/2,584.25
6. Step 6: Final answer
   x = 1,939.24