Finding the Fourth Proportional to 3,522.29, 4,857.57 and 2,196.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.29 : 4,857.57 = 2,196.11 : x
2. Step 2: Convert to fraction form
   3,522.29/4,857.57 = 2,196.11/x
3. Step 3: Cross multiply
   3,522.29x = 4,857.57 × 2,196.11
4. Step 4: Simplify right side
   3,522.29x = 10,667,770.20
5. Step 5: Solve for x
   x = 10,667,770.20/3,522.29
6. Step 6: Final answer
   x = 3,028.65