Finding the Fourth Proportional to 2,066.40, 2,844.24 and 1,568.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.40 : 2,844.24 = 1,568.16 : x
2. Step 2: Convert to fraction form
   2,066.40/2,844.24 = 1,568.16/x
3. Step 3: Cross multiply
   2,066.40x = 2,844.24 × 1,568.16
4. Step 4: Simplify right side
   2,066.40x = 4,460,223.40
5. Step 5: Solve for x
   x = 4,460,223.40/2,066.40
6. Step 6: Final answer
   x = 2,158.45