Finding the Fourth Proportional to 12,217.27, 18,316.94 and 3,892.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,217.27 : 18,316.94 = 3,892.49 : x
2. Step 2: Convert to fraction form
   12,217.27/18,316.94 = 3,892.49/x
3. Step 3: Cross multiply
   12,217.27x = 18,316.94 × 3,892.49
4. Step 4: Simplify right side
   12,217.27x = 71,298,505.78
5. Step 5: Solve for x
   x = 71,298,505.78/12,217.27
6. Step 6: Final answer
   x = 5,835.88