Finding the Fourth Proportional to 2,940.38, 4,057.57 and 1,613.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,940.38 : 4,057.57 = 1,613.82 : x
2. Step 2: Convert to fraction form
   2,940.38/4,057.57 = 1,613.82/x
3. Step 3: Cross multiply
   2,940.38x = 4,057.57 × 1,613.82
4. Step 4: Simplify right side
   2,940.38x = 6,548,200.31
5. Step 5: Solve for x
   x = 6,548,200.31/2,940.38
6. Step 6: Final answer
   x = 2,226.99