Finding the Fourth Proportional to 8,111.08, 12,167.52 and 4,418.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.08 : 12,167.52 = 4,418.68 : x
2. Step 2: Convert to fraction form
   8,111.08/12,167.52 = 4,418.68/x
3. Step 3: Cross multiply
   8,111.08x = 12,167.52 × 4,418.68
4. Step 4: Simplify right side
   8,111.08x = 53,764,377.27
5. Step 5: Solve for x
   x = 53,764,377.27/8,111.08
6. Step 6: Final answer
   x = 6,628.51