Finding the Fourth Proportional to 20,185.37, 27,855.67 and 11,111.27

Step by Step Solution

1. Step 1: Write the proportion equation
   20,185.37 : 27,855.67 = 11,111.27 : x
2. Step 2: Convert to fraction form
   20,185.37/27,855.67 = 11,111.27/x
3. Step 3: Cross multiply
   20,185.37x = 27,855.67 × 11,111.27
4. Step 4: Simplify right side
   20,185.37x = 309,511,833.77
5. Step 5: Solve for x
   x = 309,511,833.77/20,185.37
6. Step 6: Final answer
   x = 15,333.47