Finding the Fourth Proportional to 2,196.60, 3,293.28 and 1,610.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.60 : 3,293.28 = 1,610.97 : x
2. Step 2: Convert to fraction form
   2,196.60/3,293.28 = 1,610.97/x
3. Step 3: Cross multiply
   2,196.60x = 3,293.28 × 1,610.97
4. Step 4: Simplify right side
   2,196.60x = 5,305,375.28
5. Step 5: Solve for x
   x = 5,305,375.28/2,196.60
6. Step 6: Final answer
   x = 2,415.27