Finding the Fourth Proportional to 11,179.09, 16,745.99 and 5,166.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,179.09 : 16,745.99 = 5,166.62 : x
2. Step 2: Convert to fraction form
   11,179.09/16,745.99 = 5,166.62/x
3. Step 3: Cross multiply
   11,179.09x = 16,745.99 × 5,166.62
4. Step 4: Simplify right side
   11,179.09x = 86,520,156.33
5. Step 5: Solve for x
   x = 86,520,156.33/11,179.09
6. Step 6: Final answer
   x = 7,739.47