Finding the Fourth Proportional to 8,745.39, 12,067.87 and 4,864.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,745.39 : 12,067.87 = 4,864.05 : x
2. Step 2: Convert to fraction form
   8,745.39/12,067.87 = 4,864.05/x
3. Step 3: Cross multiply
   8,745.39x = 12,067.87 × 4,864.05
4. Step 4: Simplify right side
   8,745.39x = 58,698,720.03
5. Step 5: Solve for x
   x = 58,698,720.03/8,745.39
6. Step 6: Final answer
   x = 6,711.96