Finding the Fourth Proportional to 2,287.94, 3,157.05 and 1,447.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.94 : 3,157.05 = 1,447.16 : x
2. Step 2: Convert to fraction form
   2,287.94/3,157.05 = 1,447.16/x
3. Step 3: Cross multiply
   2,287.94x = 3,157.05 × 1,447.16
4. Step 4: Simplify right side
   2,287.94x = 4,568,740.69
5. Step 5: Solve for x
   x = 4,568,740.69/2,287.94
6. Step 6: Final answer
   x = 1,996.88