Finding the Fourth Proportional to 3,196.11, 4,410.53 and 1,779.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.11 : 4,410.53 = 1,779.72 : x
2. Step 2: Convert to fraction form
   3,196.11/4,410.53 = 1,779.72/x
3. Step 3: Cross multiply
   3,196.11x = 4,410.53 × 1,779.72
4. Step 4: Simplify right side
   3,196.11x = 7,849,499.55
5. Step 5: Solve for x
   x = 7,849,499.55/3,196.11
6. Step 6: Final answer
   x = 2,455.95