Finding the Fourth Proportional to 2,584.81, 3,566.88 and 1,405.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,584.81 : 3,566.88 = 1,405.87 : x
2. Step 2: Convert to fraction form
   2,584.81/3,566.88 = 1,405.87/x
3. Step 3: Cross multiply
   2,584.81x = 3,566.88 × 1,405.87
4. Step 4: Simplify right side
   2,584.81x = 5,014,569.59
5. Step 5: Solve for x
   x = 5,014,569.59/2,584.81
6. Step 6: Final answer
   x = 1,940.01