Finding the Fourth Proportional to 11,083.96, 16,628.73 and 3,186.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,083.96 : 16,628.73 = 3,186.49 : x
2. Step 2: Convert to fraction form
   11,083.96/16,628.73 = 3,186.49/x
3. Step 3: Cross multiply
   11,083.96x = 16,628.73 × 3,186.49
4. Step 4: Simplify right side
   11,083.96x = 52,987,290.69
5. Step 5: Solve for x
   x = 52,987,290.69/11,083.96
6. Step 6: Final answer
   x = 4,780.54