Finding the Fourth Proportional to 2,585.12, 3,567.47 and 1,406.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.12 : 3,567.47 = 1,406.19 : x
2. Step 2: Convert to fraction form
   2,585.12/3,567.47 = 1,406.19/x
3. Step 3: Cross multiply
   2,585.12x = 3,567.47 × 1,406.19
4. Step 4: Simplify right side
   2,585.12x = 5,016,533.61
5. Step 5: Solve for x
   x = 5,016,533.61/2,585.12
6. Step 6: Final answer
   x = 1,940.55