Finding the Fourth Proportional to 3,687.94, 5,086.56 and 2,568.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687.94 : 5,086.56 = 2,568.88 : x
2. Step 2: Convert to fraction form
   3,687.94/5,086.56 = 2,568.88/x
3. Step 3: Cross multiply
   3,687.94x = 5,086.56 × 2,568.88
4. Step 4: Simplify right side
   3,687.94x = 13,066,762.25
5. Step 5: Solve for x
   x = 13,066,762.25/3,687.94
6. Step 6: Final answer
   x = 3,543.11