Finding the Fourth Proportional to 8,863.07, 12,230.90 and 5,086.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,863.07 : 12,230.90 = 5,086.15 : x
2. Step 2: Convert to fraction form
   8,863.07/12,230.90 = 5,086.15/x
3. Step 3: Cross multiply
   8,863.07x = 12,230.90 × 5,086.15
4. Step 4: Simplify right side
   8,863.07x = 62,208,192.04
5. Step 5: Solve for x
   x = 62,208,192.04/8,863.07
6. Step 6: Final answer
   x = 7,018.81