Finding the Fourth Proportional to 3,524.10, 4,861.94 and 2,196.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,524.10 : 4,861.94 = 2,196.65 : x
2. Step 2: Convert to fraction form
   3,524.10/4,861.94 = 2,196.65/x
3. Step 3: Cross multiply
   3,524.10x = 4,861.94 × 2,196.65
4. Step 4: Simplify right side
   3,524.10x = 10,679,945.21
5. Step 5: Solve for x
   x = 10,679,945.21/3,524.10
6. Step 6: Final answer
   x = 3,030.55