Finding the Fourth Proportional to 3,357.56, 5,033.72 and 2,122.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,357.56 : 5,033.72 = 2,122.38 : x
2. Step 2: Convert to fraction form
   3,357.56/5,033.72 = 2,122.38/x
3. Step 3: Cross multiply
   3,357.56x = 5,033.72 × 2,122.38
4. Step 4: Simplify right side
   3,357.56x = 10,683,456.04
5. Step 5: Solve for x
   x = 10,683,456.04/3,357.56
6. Step 6: Final answer
   x = 3,181.92