Finding the Fourth Proportional to 2,584.05, 3,565.97 and 1,405.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.05 : 3,565.97 = 1,405.12 : x
2. Step 2: Convert to fraction form
   2,584.05/3,565.97 = 1,405.12/x
3. Step 3: Cross multiply
   2,584.05x = 3,565.97 × 1,405.12
4. Step 4: Simplify right side
   2,584.05x = 5,010,619.69
5. Step 5: Solve for x
   x = 5,010,619.69/2,584.05
6. Step 6: Final answer
   x = 1,939.06