Finding the Fourth Proportional to 8,086.89, 12,130.68 and 2,822.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.89 : 12,130.68 = 2,822.43 : x
2. Step 2: Convert to fraction form
   8,086.89/12,130.68 = 2,822.43/x
3. Step 3: Cross multiply
   8,086.89x = 12,130.68 × 2,822.43
4. Step 4: Simplify right side
   8,086.89x = 34,237,995.15
5. Step 5: Solve for x
   x = 34,237,995.15/8,086.89
6. Step 6: Final answer
   x = 4,233.77