Finding the Fourth Proportional to 18,111.30, 27,168.67 and 5,627.96

Step by Step Solution

1. Step 1: Write the proportion equation
   18,111.30 : 27,168.67 = 5,627.96 : x
2. Step 2: Convert to fraction form
   18,111.30/27,168.67 = 5,627.96/x
3. Step 3: Cross multiply
   18,111.30x = 27,168.67 × 5,627.96
4. Step 4: Simplify right side
   18,111.30x = 152,904,161.09
5. Step 5: Solve for x
   x = 152,904,161.09/18,111.30
6. Step 6: Final answer
   x = 8,442.47