Finding the Fourth Proportional to 9,767.24, 13,477.98 and 5,518.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,767.24 : 13,477.98 = 5,518.67 : x
2. Step 2: Convert to fraction form
   9,767.24/13,477.98 = 5,518.67/x
3. Step 3: Cross multiply
   9,767.24x = 13,477.98 × 5,518.67
4. Step 4: Simplify right side
   9,767.24x = 74,380,456.50
5. Step 5: Solve for x
   x = 74,380,456.50/9,767.24
6. Step 6: Final answer
   x = 7,615.30