Finding the Fourth Proportional to 18,031.56, 27,036.82 and 8,667.37

Step by Step Solution

1. Step 1: Write the proportion equation
   18,031.56 : 27,036.82 = 8,667.37 : x
2. Step 2: Convert to fraction form
   18,031.56/27,036.82 = 8,667.37/x
3. Step 3: Cross multiply
   18,031.56x = 27,036.82 × 8,667.37
4. Step 4: Simplify right side
   18,031.56x = 234,338,122.56
5. Step 5: Solve for x
   x = 234,338,122.56/18,031.56
6. Step 6: Final answer
   x = 12,996.00