Finding the Fourth Proportional to 13,469.12, 18,586.56 and 7,500.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,469.12 : 18,586.56 = 7,500.48 : x
2. Step 2: Convert to fraction form
   13,469.12/18,586.56 = 7,500.48/x
3. Step 3: Cross multiply
   13,469.12x = 18,586.56 × 7,500.48
4. Step 4: Simplify right side
   13,469.12x = 139,408,121.55
5. Step 5: Solve for x
   x = 139,408,121.55/13,469.12
6. Step 6: Final answer
   x = 10,350.20