Finding the Fourth Proportional to 8,747.88, 12,076.68 and 5,768.64

Step by Step Solution

1. Step 1: Write the proportion equation
   8,747.88 : 12,076.68 = 5,768.64 : x
2. Step 2: Convert to fraction form
   8,747.88/12,076.68 = 5,768.64/x
3. Step 3: Cross multiply
   8,747.88x = 12,076.68 × 5,768.64
4. Step 4: Simplify right side
   8,747.88x = 69,666,019.32
5. Step 5: Solve for x
   x = 69,666,019.32/8,747.88
6. Step 6: Final answer
   x = 7,963.76