Finding the Fourth Proportional to 3,882.66, 5,359.23 and 3,684.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,882.66 : 5,359.23 = 3,684.32 : x
2. Step 2: Convert to fraction form
   3,882.66/5,359.23 = 3,684.32/x
3. Step 3: Cross multiply
   3,882.66x = 5,359.23 × 3,684.32
4. Step 4: Simplify right side
   3,882.66x = 19,745,091.48
5. Step 5: Solve for x
   x = 19,745,091.48/3,882.66
6. Step 6: Final answer
   x = 5,085.45