Finding the Fourth Proportional to 2,585.10, 3,567.50 and 1,406.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.10 : 3,567.50 = 1,406.18 : x
2. Step 2: Convert to fraction form
   2,585.10/3,567.50 = 1,406.18/x
3. Step 3: Cross multiply
   2,585.10x = 3,567.50 × 1,406.18
4. Step 4: Simplify right side
   2,585.10x = 5,016,532.83
5. Step 5: Solve for x
   x = 5,016,532.83/2,585.10
6. Step 6: Final answer
   x = 1,940.56