Finding the Fourth Proportional to 8,112.82, 12,164.77 and 3,665.26

Step by Step Solution

1. Step 1: Write the proportion equation
   8,112.82 : 12,164.77 = 3,665.26 : x
2. Step 2: Convert to fraction form
   8,112.82/12,164.77 = 3,665.26/x
3. Step 3: Cross multiply
   8,112.82x = 12,164.77 × 3,665.26
4. Step 4: Simplify right side
   8,112.82x = 44,587,079.88
5. Step 5: Solve for x
   x = 44,587,079.88/8,112.82
6. Step 6: Final answer
   x = 5,495.88