Finding the Fourth Proportional to 20,141.69, 30,222.77 and 9,046.11

Step by Step Solution

1. Step 1: Write the proportion equation
   20,141.69 : 30,222.77 = 9,046.11 : x
2. Step 2: Convert to fraction form
   20,141.69/30,222.77 = 9,046.11/x
3. Step 3: Cross multiply
   20,141.69x = 30,222.77 × 9,046.11
4. Step 4: Simplify right side
   20,141.69x = 273,398,456.69
5. Step 5: Solve for x
   x = 273,398,456.69/20,141.69
6. Step 6: Final answer
   x = 13,573.76