Finding the Fourth Proportional to 3,936.96, 5,900.18 and 3,442.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936.96 : 5,900.18 = 3,442.16 : x
2. Step 2: Convert to fraction form
   3,936.96/5,900.18 = 3,442.16/x
3. Step 3: Cross multiply
   3,936.96x = 5,900.18 × 3,442.16
4. Step 4: Simplify right side
   3,936.96x = 20,309,361.13
5. Step 5: Solve for x
   x = 20,309,361.13/3,936.96
6. Step 6: Final answer
   x = 5,158.64