Finding the Fourth Proportional to 3,196.18, 4,410.69 and 1,779.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.18 : 4,410.69 = 1,779.87 : x
2. Step 2: Convert to fraction form
   3,196.18/4,410.69 = 1,779.87/x
3. Step 3: Cross multiply
   3,196.18x = 4,410.69 × 1,779.87
4. Step 4: Simplify right side
   3,196.18x = 7,850,454.81
5. Step 5: Solve for x
   x = 7,850,454.81/3,196.18
6. Step 6: Final answer
   x = 2,456.20