Finding the Fourth Proportional to 20,061.97, 27,685.82 and 11,109.46

Step by Step Solution

1. Step 1: Write the proportion equation
   20,061.97 : 27,685.82 = 11,109.46 : x
2. Step 2: Convert to fraction form
   20,061.97/27,685.82 = 11,109.46/x
3. Step 3: Cross multiply
   20,061.97x = 27,685.82 × 11,109.46
4. Step 4: Simplify right side
   20,061.97x = 307,574,509.86
5. Step 5: Solve for x
   x = 307,574,509.86/20,061.97
6. Step 6: Final answer
   x = 15,331.22