Finding the Fourth Proportional to 3,942.37, 5,435.94 and 2,945.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.37 : 5,435.94 = 2,945.98 : x
2. Step 2: Convert to fraction form
   3,942.37/5,435.94 = 2,945.98/x
3. Step 3: Cross multiply
   3,942.37x = 5,435.94 × 2,945.98
4. Step 4: Simplify right side
   3,942.37x = 16,014,170.52
5. Step 5: Solve for x
   x = 16,014,170.52/3,942.37
6. Step 6: Final answer
   x = 4,062.07