Finding the Fourth Proportional to 18,155.89, 27,238.52 and 5,676.31

Step by Step Solution

1. Step 1: Write the proportion equation
   18,155.89 : 27,238.52 = 5,676.31 : x
2. Step 2: Convert to fraction form
   18,155.89/27,238.52 = 5,676.31/x
3. Step 3: Cross multiply
   18,155.89x = 27,238.52 × 5,676.31
4. Step 4: Simplify right side
   18,155.89x = 154,614,283.46
5. Step 5: Solve for x
   x = 154,614,283.46/18,155.89
6. Step 6: Final answer
   x = 8,515.93