Finding the Fourth Proportional to 12,101.67, 18,136.81 and 5,433.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,101.67 : 18,136.81 = 5,433.24 : x
2. Step 2: Convert to fraction form
   12,101.67/18,136.81 = 5,433.24/x
3. Step 3: Cross multiply
   12,101.67x = 18,136.81 × 5,433.24
4. Step 4: Simplify right side
   12,101.67x = 98,541,716.37
5. Step 5: Solve for x
   x = 98,541,716.37/12,101.67
6. Step 6: Final answer
   x = 8,142.82