Finding the Fourth Proportional to 2,196.13, 3,296.47 and 1,273.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.13 : 3,296.47 = 1,273.49 : x
2. Step 2: Convert to fraction form
   2,196.13/3,296.47 = 1,273.49/x
3. Step 3: Cross multiply
   2,196.13x = 3,296.47 × 1,273.49
4. Step 4: Simplify right side
   2,196.13x = 4,198,021.58
5. Step 5: Solve for x
   x = 4,198,021.58/2,196.13
6. Step 6: Final answer
   x = 1,911.55