Finding the Fourth Proportional to 8,964.84, 12,383.10 and 7,718.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,964.84 : 12,383.10 = 7,718.52 : x
2. Step 2: Convert to fraction form
   8,964.84/12,383.10 = 7,718.52/x
3. Step 3: Cross multiply
   8,964.84x = 12,383.10 × 7,718.52
4. Step 4: Simplify right side
   8,964.84x = 95,579,205.01
5. Step 5: Solve for x
   x = 95,579,205.01/8,964.84
6. Step 6: Final answer
   x = 10,661.56