Finding the Fourth Proportional to 8,593.08, 12,879.72 and 3,906.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,593.08 : 12,879.72 = 3,906.06 : x
2. Step 2: Convert to fraction form
   8,593.08/12,879.72 = 3,906.06/x
3. Step 3: Cross multiply
   8,593.08x = 12,879.72 × 3,906.06
4. Step 4: Simplify right side
   8,593.08x = 50,308,959.10
5. Step 5: Solve for x
   x = 50,308,959.10/8,593.08
6. Step 6: Final answer
   x = 5,854.59