Finding the Fourth Proportional to 2,351.42, 3,535.57 and 2,168.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,351.42 : 3,535.57 = 2,168.56 : x
2. Step 2: Convert to fraction form
   2,351.42/3,535.57 = 2,168.56/x
3. Step 3: Cross multiply
   2,351.42x = 3,535.57 × 2,168.56
4. Step 4: Simplify right side
   2,351.42x = 7,667,095.68
5. Step 5: Solve for x
   x = 7,667,095.68/2,351.42
6. Step 6: Final answer
   x = 3,260.62