Finding the Fourth Proportional to 3,196.48, 4,788.57 and 1,960.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.48 : 4,788.57 = 1,960.28 : x
2. Step 2: Convert to fraction form
   3,196.48/4,788.57 = 1,960.28/x
3. Step 3: Cross multiply
   3,196.48x = 4,788.57 × 1,960.28
4. Step 4: Simplify right side
   3,196.48x = 9,386,938.00
5. Step 5: Solve for x
   x = 9,386,938.00/3,196.48
6. Step 6: Final answer
   x = 2,936.65