Finding the Fourth Proportional to 5,167.82, 7,745.52 and 2,390.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,167.82 : 7,745.52 = 2,390.72 : x
2. Step 2: Convert to fraction form
   5,167.82/7,745.52 = 2,390.72/x
3. Step 3: Cross multiply
   5,167.82x = 7,745.52 × 2,390.72
4. Step 4: Simplify right side
   5,167.82x = 18,517,369.57
5. Step 5: Solve for x
   x = 18,517,369.57/5,167.82
6. Step 6: Final answer
   x = 3,583.21