Finding the Fourth Proportional to 3,196.20, 4,412.28 and 2,357.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.20 : 4,412.28 = 2,357.04 : x
2. Step 2: Convert to fraction form
   3,196.20/4,412.28 = 2,357.04/x
3. Step 3: Cross multiply
   3,196.20x = 4,412.28 × 2,357.04
4. Step 4: Simplify right side
   3,196.20x = 10,399,920.45
5. Step 5: Solve for x
   x = 10,399,920.45/3,196.20
6. Step 6: Final answer
   x = 3,253.84