Finding the Fourth Proportional to 20,074.68, 27,695.82 and 12,111

Step by Step Solution

1. Step 1: Write the proportion equation
   20,074.68 : 27,695.82 = 12,111 : x
2. Step 2: Convert to fraction form
   20,074.68/27,695.82 = 12,111/x
3. Step 3: Cross multiply
   20,074.68x = 27,695.82 × 12,111
4. Step 4: Simplify right side
   20,074.68x = 335,424,076.02
5. Step 5: Solve for x
   x = 335,424,076.02/20,074.68
6. Step 6: Final answer
   x = 16,708.81