Finding the Fourth Proportional to 12,217.50, 18,325.33 and 3,897.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,217.50 : 18,325.33 = 3,897.18 : x
2. Step 2: Convert to fraction form
   12,217.50/18,325.33 = 3,897.18/x
3. Step 3: Cross multiply
   12,217.50x = 18,325.33 × 3,897.18
4. Step 4: Simplify right side
   12,217.50x = 71,417,109.57
5. Step 5: Solve for x
   x = 71,417,109.57/12,217.50
6. Step 6: Final answer
   x = 5,845.48