Finding the Fourth Proportional to 11,616.84, 16,033.74 and 7,144.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,616.84 : 16,033.74 = 7,144.38 : x
2. Step 2: Convert to fraction form
   11,616.84/16,033.74 = 7,144.38/x
3. Step 3: Cross multiply
   11,616.84x = 16,033.74 × 7,144.38
4. Step 4: Simplify right side
   11,616.84x = 114,551,131.38
5. Step 5: Solve for x
   x = 114,551,131.38/11,616.84
6. Step 6: Final answer
   x = 9,860.78