Finding the Fourth Proportional to 12,111.26, 18,152.84 and 10,727.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.26 : 18,152.84 = 10,727.37 : x
2. Step 2: Convert to fraction form
   12,111.26/18,152.84 = 10,727.37/x
3. Step 3: Cross multiply
   12,111.26x = 18,152.84 × 10,727.37
4. Step 4: Simplify right side
   12,111.26x = 194,732,258.05
5. Step 5: Solve for x
   x = 194,732,258.05/12,111.26
6. Step 6: Final answer
   x = 16,078.62