Finding the Fourth Proportional to 3,982.72, 5,477.88 and 3,195.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.72 : 5,477.88 = 3,195.04 : x
2. Step 2: Convert to fraction form
   3,982.72/5,477.88 = 3,195.04/x
3. Step 3: Cross multiply
   3,982.72x = 5,477.88 × 3,195.04
4. Step 4: Simplify right side
   3,982.72x = 17,502,045.72
5. Step 5: Solve for x
   x = 17,502,045.72/3,982.72
6. Step 6: Final answer
   x = 4,394.50