Finding the Fourth Proportional to 18,111.96, 27,162.68 and 7,016.18

Step by Step Solution

1. Step 1: Write the proportion equation
   18,111.96 : 27,162.68 = 7,016.18 : x
2. Step 2: Convert to fraction form
   18,111.96/27,162.68 = 7,016.18/x
3. Step 3: Cross multiply
   18,111.96x = 27,162.68 × 7,016.18
4. Step 4: Simplify right side
   18,111.96x = 190,578,081.27
5. Step 5: Solve for x
   x = 190,578,081.27/18,111.96
6. Step 6: Final answer
   x = 10,522.22