Finding the Fourth Proportional to 8,117.82, 12,178.62 and 2,496.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,117.82 : 12,178.62 = 2,496.42 : x
2. Step 2: Convert to fraction form
   8,117.82/12,178.62 = 2,496.42/x
3. Step 3: Cross multiply
   8,117.82x = 12,178.62 × 2,496.42
4. Step 4: Simplify right side
   8,117.82x = 30,402,950.54
5. Step 5: Solve for x
   x = 30,402,950.54/8,117.82
6. Step 6: Final answer
   x = 3,745.21