Finding the Fourth Proportional to 8,751.36, 12,074.22 and 7,909.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,751.36 : 12,074.22 = 7,909.37 : x
2. Step 2: Convert to fraction form
   8,751.36/12,074.22 = 7,909.37/x
3. Step 3: Cross multiply
   8,751.36x = 12,074.22 × 7,909.37
4. Step 4: Simplify right side
   8,751.36x = 95,499,413.07
5. Step 5: Solve for x
   x = 95,499,413.07/8,751.36
6. Step 6: Final answer
   x = 10,912.52