Finding the Fourth Proportional to 9,515.50, 13,131.18 and 5,738.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515.50 : 13,131.18 = 5,738.67 : x
2. Step 2: Convert to fraction form
   9,515.50/13,131.18 = 5,738.67/x
3. Step 3: Cross multiply
   9,515.50x = 13,131.18 × 5,738.67
4. Step 4: Simplify right side
   9,515.50x = 75,355,508.73
5. Step 5: Solve for x
   x = 75,355,508.73/9,515.50
6. Step 6: Final answer
   x = 7,919.24