Finding the Fourth Proportional to 22,360.24, 30,856.50 and 12,288.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,360.24 : 30,856.50 = 12,288.68 : x
2. Step 2: Convert to fraction form
   22,360.24/30,856.50 = 12,288.68/x
3. Step 3: Cross multiply
   22,360.24x = 30,856.50 × 12,288.68
4. Step 4: Simplify right side
   22,360.24x = 379,185,654.42
5. Step 5: Solve for x
   x = 379,185,654.42/22,360.24
6. Step 6: Final answer
   x = 16,958.03