Finding the Fourth Proportional to 20,061.18, 27,684.42 and 11,108.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,061.18 : 27,684.42 = 11,108.69 : x
2. Step 2: Convert to fraction form
   20,061.18/27,684.42 = 11,108.69/x
3. Step 3: Cross multiply
   20,061.18x = 27,684.42 × 11,108.69
4. Step 4: Simplify right side
   20,061.18x = 307,537,469.89
5. Step 5: Solve for x
   x = 307,537,469.89/20,061.18
6. Step 6: Final answer
   x = 15,329.98