Finding the Fourth Proportional to 3,196.84, 4,411.50 and 1,780.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.84 : 4,411.50 = 1,780.48 : x
2. Step 2: Convert to fraction form
   3,196.84/4,411.50 = 1,780.48/x
3. Step 3: Cross multiply
   3,196.84x = 4,411.50 × 1,780.48
4. Step 4: Simplify right side
   3,196.84x = 7,854,587.52
5. Step 5: Solve for x
   x = 7,854,587.52/3,196.84
6. Step 6: Final answer
   x = 2,456.98