Finding the Fourth Proportional to 3,940.37, 5,914.22 and 1,993.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.37 : 5,914.22 = 1,993.94 : x
2. Step 2: Convert to fraction form
   3,940.37/5,914.22 = 1,993.94/x
3. Step 3: Cross multiply
   3,940.37x = 5,914.22 × 1,993.94
4. Step 4: Simplify right side
   3,940.37x = 11,792,599.83
5. Step 5: Solve for x
   x = 11,792,599.83/3,940.37
6. Step 6: Final answer
   x = 2,992.76