Finding the Fourth Proportional to 3,196.95, 4,414.55 and 2,020.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.95 : 4,414.55 = 2,020.11 : x
2. Step 2: Convert to fraction form
   3,196.95/4,414.55 = 2,020.11/x
3. Step 3: Cross multiply
   3,196.95x = 4,414.55 × 2,020.11
4. Step 4: Simplify right side
   3,196.95x = 8,917,866.50
5. Step 5: Solve for x
   x = 8,917,866.50/3,196.95
6. Step 6: Final answer
   x = 2,789.49