Finding the Fourth Proportional to 8,238.92, 12,352.91 and 5,776.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,238.92 : 12,352.91 = 5,776.72 : x
2. Step 2: Convert to fraction form
   8,238.92/12,352.91 = 5,776.72/x
3. Step 3: Cross multiply
   8,238.92x = 12,352.91 × 5,776.72
4. Step 4: Simplify right side
   8,238.92x = 71,359,242.49
5. Step 5: Solve for x
   x = 71,359,242.49/8,238.92
6. Step 6: Final answer
   x = 8,661.24