Finding the Fourth Proportional to 3,940.28, 5,905.02 and 3,822.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.28 : 5,905.02 = 3,822.02 : x
2. Step 2: Convert to fraction form
   3,940.28/5,905.02 = 3,822.02/x
3. Step 3: Cross multiply
   3,940.28x = 5,905.02 × 3,822.02
4. Step 4: Simplify right side
   3,940.28x = 22,569,104.54
5. Step 5: Solve for x
   x = 22,569,104.54/3,940.28
6. Step 6: Final answer
   x = 5,727.79