Finding the Fourth Proportional to 3,196.68, 4,411.41 and 1,780.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.68 : 4,411.41 = 1,780.43 : x
2. Step 2: Convert to fraction form
   3,196.68/4,411.41 = 1,780.43/x
3. Step 3: Cross multiply
   3,196.68x = 4,411.41 × 1,780.43
4. Step 4: Simplify right side
   3,196.68x = 7,854,212.80
5. Step 5: Solve for x
   x = 7,854,212.80/3,196.68
6. Step 6: Final answer
   x = 2,456.99