Finding the Fourth Proportional to 3,942.83, 5,906.33 and 1,962.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.83 : 5,906.33 = 1,962.49 : x
2. Step 2: Convert to fraction form
   3,942.83/5,906.33 = 1,962.49/x
3. Step 3: Cross multiply
   3,942.83x = 5,906.33 × 1,962.49
4. Step 4: Simplify right side
   3,942.83x = 11,591,074.22
5. Step 5: Solve for x
   x = 11,591,074.22/3,942.83
6. Step 6: Final answer
   x = 2,939.79