Finding the Fourth Proportional to 3,196.80, 4,411.27 and 2,357.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.80 : 4,411.27 = 2,357.95 : x
2. Step 2: Convert to fraction form
   3,196.80/4,411.27 = 2,357.95/x
3. Step 3: Cross multiply
   3,196.80x = 4,411.27 × 2,357.95
4. Step 4: Simplify right side
   3,196.80x = 10,401,554.10
5. Step 5: Solve for x
   x = 10,401,554.10/3,196.80
6. Step 6: Final answer
   x = 3,253.74