Finding the Fourth Proportional to 2,743.20, 4,111.74 and 2,196.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,743.20 : 4,111.74 = 2,196.36 : x
2. Step 2: Convert to fraction form
   2,743.20/4,111.74 = 2,196.36/x
3. Step 3: Cross multiply
   2,743.20x = 4,111.74 × 2,196.36
4. Step 4: Simplify right side
   2,743.20x = 9,030,861.27
5. Step 5: Solve for x
   x = 9,030,861.27/2,743.20
6. Step 6: Final answer
   x = 3,292.09