Finding the Fourth Proportional to 3,839.48, 5,765.64 and 3,356.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.48 : 5,765.64 = 3,356.72 : x
2. Step 2: Convert to fraction form
   3,839.48/5,765.64 = 3,356.72/x
3. Step 3: Cross multiply
   3,839.48x = 5,765.64 × 3,356.72
4. Step 4: Simplify right side
   3,839.48x = 19,353,639.10
5. Step 5: Solve for x
   x = 19,353,639.10/3,839.48
6. Step 6: Final answer
   x = 5,040.69