Finding the Fourth Proportional to 3,196.17, 4,410.62 and 1,779.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.17 : 4,410.62 = 1,779.86 : x
2. Step 2: Convert to fraction form
   3,196.17/4,410.62 = 1,779.86/x
3. Step 3: Cross multiply
   3,196.17x = 4,410.62 × 1,779.86
4. Step 4: Simplify right side
   3,196.17x = 7,850,280.12
5. Step 5: Solve for x
   x = 7,850,280.12/3,196.17
6. Step 6: Final answer
   x = 2,456.15