Finding the Fourth Proportional to 22,324.50, 30,808.17 and 12,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,324.50 : 30,808.17 = 12,388.50 : x
2. Step 2: Convert to fraction form
   22,324.50/30,808.17 = 12,388.50/x
3. Step 3: Cross multiply
   22,324.50x = 30,808.17 × 12,388.50
4. Step 4: Simplify right side
   22,324.50x = 381,667,014.05
5. Step 5: Solve for x
   x = 381,667,014.05/22,324.50
6. Step 6: Final answer
   x = 17,096.33