Finding the Fourth Proportional to 12,216.22, 18,323.95 and 3,896.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,216.22 : 18,323.95 = 3,896.73 : x
2. Step 2: Convert to fraction form
   12,216.22/18,323.95 = 3,896.73/x
3. Step 3: Cross multiply
   12,216.22x = 18,323.95 × 3,896.73
4. Step 4: Simplify right side
   12,216.22x = 71,403,523.82
5. Step 5: Solve for x
   x = 71,403,523.82/12,216.22
6. Step 6: Final answer
   x = 5,844.98