Finding the Fourth Proportional to 2,196.05, 3,296.10 and 1,101.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.05 : 3,296.10 = 1,101.20 : x
2. Step 2: Convert to fraction form
   2,196.05/3,296.10 = 1,101.20/x
3. Step 3: Cross multiply
   2,196.05x = 3,296.10 × 1,101.20
4. Step 4: Simplify right side
   2,196.05x = 3,629,665.32
5. Step 5: Solve for x
   x = 3,629,665.32/2,196.05
6. Step 6: Final answer
   x = 1,652.82