Finding the Fourth Proportional to 13,285.37, 18,333.27 and 7,616.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,285.37 : 18,333.27 = 7,616.18 : x
2. Step 2: Convert to fraction form
   13,285.37/18,333.27 = 7,616.18/x
3. Step 3: Cross multiply
   13,285.37x = 18,333.27 × 7,616.18
4. Step 4: Simplify right side
   13,285.37x = 139,629,530.14
5. Step 5: Solve for x
   x = 139,629,530.14/13,285.37
6. Step 6: Final answer
   x = 10,510.02