Finding the Fourth Proportional to 11,144.25, 15,382.71 and 8,009.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,144.25 : 15,382.71 = 8,009.55 : x
2. Step 2: Convert to fraction form
   11,144.25/15,382.71 = 8,009.55/x
3. Step 3: Cross multiply
   11,144.25x = 15,382.71 × 8,009.55
4. Step 4: Simplify right side
   11,144.25x = 123,208,584.88
5. Step 5: Solve for x
   x = 123,208,584.88/11,144.25
6. Step 6: Final answer
   x = 11,055.80