Finding the Fourth Proportional to 8,786.97, 13,183.52 and 5,092.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,786.97 : 13,183.52 = 5,092.43 : x
2. Step 2: Convert to fraction form
   8,786.97/13,183.52 = 5,092.43/x
3. Step 3: Cross multiply
   8,786.97x = 13,183.52 × 5,092.43
4. Step 4: Simplify right side
   8,786.97x = 67,136,061.37
5. Step 5: Solve for x
   x = 67,136,061.37/8,786.97
6. Step 6: Final answer
   x = 7,640.41