Finding the Fourth Proportional to 2,196.80, 3,353.04 and 2,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.80 : 3,353.04 = 2,196.80 : x
2. Step 2: Convert to fraction form
   2,196.80/3,353.04 = 2,196.80/x
3. Step 3: Cross multiply
   2,196.80x = 3,353.04 × 2,196.80
4. Step 4: Simplify right side
   2,196.80x = 7,365,958.27
5. Step 5: Solve for x
   x = 7,365,958.27/2,196.80
6. Step 6: Final answer
   x = 3,353.04