Finding the Fourth Proportional to 8,159.49, 12,238.02 and 2,612.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,159.49 : 12,238.02 = 2,612.27 : x
2. Step 2: Convert to fraction form
   8,159.49/12,238.02 = 2,612.27/x
3. Step 3: Cross multiply
   8,159.49x = 12,238.02 × 2,612.27
4. Step 4: Simplify right side
   8,159.49x = 31,969,043.10
5. Step 5: Solve for x
   x = 31,969,043.10/8,159.49
6. Step 6: Final answer
   x = 3,918.02