Finding the Fourth Proportional to 11,500.14, 17,249.67 and 3,180.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,500.14 : 17,249.67 = 3,180.09 : x
2. Step 2: Convert to fraction form
   11,500.14/17,249.67 = 3,180.09/x
3. Step 3: Cross multiply
   11,500.14x = 17,249.67 × 3,180.09
4. Step 4: Simplify right side
   11,500.14x = 54,855,503.07
5. Step 5: Solve for x
   x = 54,855,503.07/11,500.14
6. Step 6: Final answer
   x = 4,769.99