Finding the Fourth Proportional to 12,223.71, 18,338.04 and 3,903.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,223.71 : 18,338.04 = 3,903.48 : x
2. Step 2: Convert to fraction form
   12,223.71/18,338.04 = 3,903.48/x
3. Step 3: Cross multiply
   12,223.71x = 18,338.04 × 3,903.48
4. Step 4: Simplify right side
   12,223.71x = 71,582,172.38
5. Step 5: Solve for x
   x = 71,582,172.38/12,223.71
6. Step 6: Final answer
   x = 5,856.01