Finding the Fourth Proportional to 3,882.02, 5,357.59 and 3,399.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,882.02 : 5,357.59 = 3,399.05 : x
2. Step 2: Convert to fraction form
   3,882.02/5,357.59 = 3,399.05/x
3. Step 3: Cross multiply
   3,882.02x = 5,357.59 × 3,399.05
4. Step 4: Simplify right side
   3,882.02x = 18,210,716.29
5. Step 5: Solve for x
   x = 18,210,716.29/3,882.02
6. Step 6: Final answer
   x = 4,691.04