Finding the Fourth Proportional to 3,196.28, 4,791.18 and 1,245.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.28 : 4,791.18 = 1,245.80 : x
2. Step 2: Convert to fraction form
   3,196.28/4,791.18 = 1,245.80/x
3. Step 3: Cross multiply
   3,196.28x = 4,791.18 × 1,245.80
4. Step 4: Simplify right side
   3,196.28x = 5,968,852.04
5. Step 5: Solve for x
   x = 5,968,852.04/3,196.28
6. Step 6: Final answer
   x = 1,867.44