Finding the Fourth Proportional to 18,118.82, 27,187.50 and 8,256.83

Step by Step Solution

1. Step 1: Write the proportion equation
   18,118.82 : 27,187.50 = 8,256.83 : x
2. Step 2: Convert to fraction form
   18,118.82/27,187.50 = 8,256.83/x
3. Step 3: Cross multiply
   18,118.82x = 27,187.50 × 8,256.83
4. Step 4: Simplify right side
   18,118.82x = 224,482,429.69
5. Step 5: Solve for x
   x = 224,482,429.69/18,118.82
6. Step 6: Final answer
   x = 12,389.47