Finding the Fourth Proportional to 22,286.12, 30,754.72 and 12,214.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,286.12 : 30,754.72 = 12,214.84 : x
2. Step 2: Convert to fraction form
   22,286.12/30,754.72 = 12,214.84/x
3. Step 3: Cross multiply
   22,286.12x = 30,754.72 × 12,214.84
4. Step 4: Simplify right side
   22,286.12x = 375,663,984.04
5. Step 5: Solve for x
   x = 375,663,984.04/22,286.12
6. Step 6: Final answer
   x = 16,856.41