Finding the Fourth Proportional to 3,196.42, 4,410.71 and 1,779.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.42 : 4,410.71 = 1,779.89 : x
2. Step 2: Convert to fraction form
   3,196.42/4,410.71 = 1,779.89/x
3. Step 3: Cross multiply
   3,196.42x = 4,410.71 × 1,779.89
4. Step 4: Simplify right side
   3,196.42x = 7,850,578.62
5. Step 5: Solve for x
   x = 7,850,578.62/3,196.42
6. Step 6: Final answer
   x = 2,456.05