Finding the Fourth Proportional to 18,327.44, 27,488.72 and 5,180.82

Step by Step Solution

1. Step 1: Write the proportion equation
   18,327.44 : 27,488.72 = 5,180.82 : x
2. Step 2: Convert to fraction form
   18,327.44/27,488.72 = 5,180.82/x
3. Step 3: Cross multiply
   18,327.44x = 27,488.72 × 5,180.82
4. Step 4: Simplify right side
   18,327.44x = 142,414,084.45
5. Step 5: Solve for x
   x = 142,414,084.45/18,327.44
6. Step 6: Final answer
   x = 7,770.54