Finding the Fourth Proportional to 3,938.85, 5,441.55 and 2,942.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.85 : 5,441.55 = 2,942.37 : x
2. Step 2: Convert to fraction form
   3,938.85/5,441.55 = 2,942.37/x
3. Step 3: Cross multiply
   3,938.85x = 5,441.55 × 2,942.37
4. Step 4: Simplify right side
   3,938.85x = 16,011,053.47
5. Step 5: Solve for x
   x = 16,011,053.47/3,938.85
6. Step 6: Final answer
   x = 4,064.91