Finding the Fourth Proportional to 22,228.27, 30,674.59 and 12,156.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,228.27 : 30,674.59 = 12,156.68 : x
2. Step 2: Convert to fraction form
   22,228.27/30,674.59 = 12,156.68/x
3. Step 3: Cross multiply
   22,228.27x = 30,674.59 × 12,156.68
4. Step 4: Simplify right side
   22,228.27x = 372,901,174.76
5. Step 5: Solve for x
   x = 372,901,174.76/22,228.27
6. Step 6: Final answer
   x = 16,775.99