Finding the Fourth Proportional to 14,222.27, 19,622.05 and 9,189.46

Step by Step Solution

1. Step 1: Write the proportion equation
   14,222.27 : 19,622.05 = 9,189.46 : x
2. Step 2: Convert to fraction form
   14,222.27/19,622.05 = 9,189.46/x
3. Step 3: Cross multiply
   14,222.27x = 19,622.05 × 9,189.46
4. Step 4: Simplify right side
   14,222.27x = 180,316,006.72
5. Step 5: Solve for x
   x = 180,316,006.72/14,222.27
6. Step 6: Final answer
   x = 12,678.43