Finding the Fourth Proportional to 5,067.82, 7,601.72 and 2,817.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,067.82 : 7,601.72 = 2,817.78 : x
2. Step 2: Convert to fraction form
   5,067.82/7,601.72 = 2,817.78/x
3. Step 3: Cross multiply
   5,067.82x = 7,601.72 × 2,817.78
4. Step 4: Simplify right side
   5,067.82x = 21,419,974.58
5. Step 5: Solve for x
   x = 21,419,974.58/5,067.82
6. Step 6: Final answer
   x = 4,226.66