Finding the Fourth Proportional to 3,882.39, 5,845.47 and 3,423.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,882.39 : 5,845.47 = 3,423.12 : x
2. Step 2: Convert to fraction form
   3,882.39/5,845.47 = 3,423.12/x
3. Step 3: Cross multiply
   3,882.39x = 5,845.47 × 3,423.12
4. Step 4: Simplify right side
   3,882.39x = 20,009,745.27
5. Step 5: Solve for x
   x = 20,009,745.27/3,882.39
6. Step 6: Final answer
   x = 5,153.98