Finding the Fourth Proportional to 8,087.28, 12,067.50 and 7,591.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,087.28 : 12,067.50 = 7,591.92 : x
2. Step 2: Convert to fraction form
   8,087.28/12,067.50 = 7,591.92/x
3. Step 3: Cross multiply
   8,087.28x = 12,067.50 × 7,591.92
4. Step 4: Simplify right side
   8,087.28x = 91,615,494.60
5. Step 5: Solve for x
   x = 91,615,494.60/8,087.28
6. Step 6: Final answer
   x = 11,328.34