Finding the Fourth Proportional to 9,271.04, 12,717.84 and 8,768.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,271.04 : 12,717.84 = 8,768.88 : x
2. Step 2: Convert to fraction form
   9,271.04/12,717.84 = 8,768.88/x
3. Step 3: Cross multiply
   9,271.04x = 12,717.84 × 8,768.88
4. Step 4: Simplify right side
   9,271.04x = 111,521,212.82
5. Step 5: Solve for x
   x = 111,521,212.82/9,271.04
6. Step 6: Final answer
   x = 12,028.99