Finding the Fourth Proportional to 2,568.51, 3,847.10 and 2,176.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.51 : 3,847.10 = 2,176.47 : x
2. Step 2: Convert to fraction form
   2,568.51/3,847.10 = 2,176.47/x
3. Step 3: Cross multiply
   2,568.51x = 3,847.10 × 2,176.47
4. Step 4: Simplify right side
   2,568.51x = 8,373,086.85
5. Step 5: Solve for x
   x = 8,373,086.85/2,568.51
6. Step 6: Final answer
   x = 3,259.90