Finding the Fourth Proportional to 12,227.32, 18,338.02 and 5,647.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,227.32 : 18,338.02 = 5,647.18 : x
2. Step 2: Convert to fraction form
   12,227.32/18,338.02 = 5,647.18/x
3. Step 3: Cross multiply
   12,227.32x = 18,338.02 × 5,647.18
4. Step 4: Simplify right side
   12,227.32x = 103,558,099.78
5. Step 5: Solve for x
   x = 103,558,099.78/12,227.32
6. Step 6: Final answer
   x = 8,469.40