Finding the Fourth Proportional to 2,585.67, 3,568.21 and 1,406.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.67 : 3,568.21 = 1,406.73 : x
2. Step 2: Convert to fraction form
   2,585.67/3,568.21 = 1,406.73/x
3. Step 3: Cross multiply
   2,585.67x = 3,568.21 × 1,406.73
4. Step 4: Simplify right side
   2,585.67x = 5,019,508.05
5. Step 5: Solve for x
   x = 5,019,508.05/2,585.67
6. Step 6: Final answer
   x = 1,941.28