Finding the Fourth Proportional to 2,196.98, 3,291.82 and 1,919.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.98 : 3,291.82 = 1,919.96 : x
2. Step 2: Convert to fraction form
   2,196.98/3,291.82 = 1,919.96/x
3. Step 3: Cross multiply
   2,196.98x = 3,291.82 × 1,919.96
4. Step 4: Simplify right side
   2,196.98x = 6,320,162.73
5. Step 5: Solve for x
   x = 6,320,162.73/2,196.98
6. Step 6: Final answer
   x = 2,876.75