Finding the Fourth Proportional to 8,164.75, 12,249.42 and 2,618.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,164.75 : 12,249.42 = 2,618.41 : x
2. Step 2: Convert to fraction form
   8,164.75/12,249.42 = 2,618.41/x
3. Step 3: Cross multiply
   8,164.75x = 12,249.42 × 2,618.41
4. Step 4: Simplify right side
   8,164.75x = 32,074,003.82
5. Step 5: Solve for x
   x = 32,074,003.82/8,164.75
6. Step 6: Final answer
   x = 3,928.35