Finding the Fourth Proportional to 3,401.37, 5,076.18 and 3,313.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.37 : 5,076.18 = 3,313.89 : x
2. Step 2: Convert to fraction form
   3,401.37/5,076.18 = 3,313.89/x
3. Step 3: Cross multiply
   3,401.37x = 5,076.18 × 3,313.89
4. Step 4: Simplify right side
   3,401.37x = 16,821,902.14
5. Step 5: Solve for x
   x = 16,821,902.14/3,401.37
6. Step 6: Final answer
   x = 4,945.63