Finding the Fourth Proportional to 8,648.15, 12,960.05 and 4,944.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,648.15 : 12,960.05 = 4,944.83 : x
2. Step 2: Convert to fraction form
   8,648.15/12,960.05 = 4,944.83/x
3. Step 3: Cross multiply
   8,648.15x = 12,960.05 × 4,944.83
4. Step 4: Simplify right side
   8,648.15x = 64,085,179.24
5. Step 5: Solve for x
   x = 64,085,179.24/8,648.15
6. Step 6: Final answer
   x = 7,410.28