Finding the Fourth Proportional to 8,086.72, 11,166.96 and 5,107.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.72 : 11,166.96 = 5,107.84 : x
2. Step 2: Convert to fraction form
   8,086.72/11,166.96 = 5,107.84/x
3. Step 3: Cross multiply
   8,086.72x = 11,166.96 × 5,107.84
4. Step 4: Simplify right side
   8,086.72x = 57,039,044.97
5. Step 5: Solve for x
   x = 57,039,044.97/8,086.72
6. Step 6: Final answer
   x = 7,053.42