Finding the Fourth Proportional to 2,196.80, 3,030.72 and 2,049.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.80 : 3,030.72 = 2,049.92 : x
2. Step 2: Convert to fraction form
   2,196.80/3,030.72 = 2,049.92/x
3. Step 3: Cross multiply
   2,196.80x = 3,030.72 × 2,049.92
4. Step 4: Simplify right side
   2,196.80x = 6,212,733.54
5. Step 5: Solve for x
   x = 6,212,733.54/2,196.80
6. Step 6: Final answer
   x = 2,828.08