Finding the Fourth Proportional to 2,584.06, 3,565.98 and 1,405.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.06 : 3,565.98 = 1,405.12 : x
2. Step 2: Convert to fraction form
   2,584.06/3,565.98 = 1,405.12/x
3. Step 3: Cross multiply
   2,584.06x = 3,565.98 × 1,405.12
4. Step 4: Simplify right side
   2,584.06x = 5,010,629.82
5. Step 5: Solve for x
   x = 5,010,629.82/2,584.06
6. Step 6: Final answer
   x = 1,939.05