Finding the Fourth Proportional to 2,687.33, 3,709.07 and 1,568.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.33 : 3,709.07 = 1,568.38 : x
2. Step 2: Convert to fraction form
   2,687.33/3,709.07 = 1,568.38/x
3. Step 3: Cross multiply
   2,687.33x = 3,709.07 × 1,568.38
4. Step 4: Simplify right side
   2,687.33x = 5,817,216.79
5. Step 5: Solve for x
   x = 5,817,216.79/2,687.33
6. Step 6: Final answer
   x = 2,164.68