Finding the Fourth Proportional to 2,568.51, 3,542.94 and 2,071.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.51 : 3,542.94 = 2,071.17 : x
2. Step 2: Convert to fraction form
   2,568.51/3,542.94 = 2,071.17/x
3. Step 3: Cross multiply
   2,568.51x = 3,542.94 × 2,071.17
4. Step 4: Simplify right side
   2,568.51x = 7,338,031.04
5. Step 5: Solve for x
   x = 7,338,031.04/2,568.51
6. Step 6: Final answer
   x = 2,856.92