Finding the Fourth Proportional to 22,229.47, 30,676.71 and 12,157.95

Step by Step Solution

1. Step 1: Write the proportion equation
   22,229.47 : 30,676.71 = 12,157.95 : x
2. Step 2: Convert to fraction form
   22,229.47/30,676.71 = 12,157.95/x
3. Step 3: Cross multiply
   22,229.47x = 30,676.71 × 12,157.95
4. Step 4: Simplify right side
   22,229.47x = 372,965,906.34
5. Step 5: Solve for x
   x = 372,965,906.34/22,229.47
6. Step 6: Final answer
   x = 16,777.99