Finding the Fourth Proportional to 2,584.38, 3,566.44 and 1,405.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.38 : 3,566.44 = 1,405.45 : x
2. Step 2: Convert to fraction form
   2,584.38/3,566.44 = 1,405.45/x
3. Step 3: Cross multiply
   2,584.38x = 3,566.44 × 1,405.45
4. Step 4: Simplify right side
   2,584.38x = 5,012,453.10
5. Step 5: Solve for x
   x = 5,012,453.10/2,584.38
6. Step 6: Final answer
   x = 1,939.52