Finding the Fourth Proportional to 3,176.72, 4,383.89 and 1,779.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,176.72 : 4,383.89 = 1,779.47 : x
2. Step 2: Convert to fraction form
   3,176.72/4,383.89 = 1,779.47/x
3. Step 3: Cross multiply
   3,176.72x = 4,383.89 × 1,779.47
4. Step 4: Simplify right side
   3,176.72x = 7,800,993.03
5. Step 5: Solve for x
   x = 7,800,993.03/3,176.72
6. Step 6: Final answer
   x = 2,455.68