Finding the Fourth Proportional to 8,086.83, 12,128.79 and 2,243.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086.83 : 12,128.79 = 2,243.91 : x
2. Step 2: Convert to fraction form
   8,086.83/12,128.79 = 2,243.91/x
3. Step 3: Cross multiply
   8,086.83x = 12,128.79 × 2,243.91
4. Step 4: Simplify right side
   8,086.83x = 27,215,913.17
5. Step 5: Solve for x
   x = 27,215,913.17/8,086.83
6. Step 6: Final answer
   x = 3,365.46