Finding the Fourth Proportional to 8,017.61, 11,067.39 and 7,176.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,017.61 : 11,067.39 = 7,176.83 : x
2. Step 2: Convert to fraction form
   8,017.61/11,067.39 = 7,176.83/x
3. Step 3: Cross multiply
   8,017.61x = 11,067.39 × 7,176.83
4. Step 4: Simplify right side
   8,017.61x = 79,428,763.49
5. Step 5: Solve for x
   x = 79,428,763.49/8,017.61
6. Step 6: Final answer
   x = 9,906.79