Finding the Fourth Proportional to 8,443.98, 11,651.43 and 5,086.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.98 : 11,651.43 = 5,086.12 : x
2. Step 2: Convert to fraction form
   8,443.98/11,651.43 = 5,086.12/x
3. Step 3: Cross multiply
   8,443.98x = 11,651.43 × 5,086.12
4. Step 4: Simplify right side
   8,443.98x = 59,260,571.15
5. Step 5: Solve for x
   x = 59,260,571.15/8,443.98
6. Step 6: Final answer
   x = 7,018.09