Finding the Fourth Proportional to 2,661.75, 3,964.51 and 2,522.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.75 : 3,964.51 = 2,522.97 : x
2. Step 2: Convert to fraction form
   2,661.75/3,964.51 = 2,522.97/x
3. Step 3: Cross multiply
   2,661.75x = 3,964.51 × 2,522.97
4. Step 4: Simplify right side
   2,661.75x = 10,002,339.79
5. Step 5: Solve for x
   x = 10,002,339.79/2,661.75
6. Step 6: Final answer
   x = 3,757.81