Finding the Fourth Proportional to 8,939.46, 12,336.50 and 4,960.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,939.46 : 12,336.50 = 4,960.58 : x
2. Step 2: Convert to fraction form
   8,939.46/12,336.50 = 4,960.58/x
3. Step 3: Cross multiply
   8,939.46x = 12,336.50 × 4,960.58
4. Step 4: Simplify right side
   8,939.46x = 61,196,145.89
5. Step 5: Solve for x
   x = 61,196,145.89/8,939.46
6. Step 6: Final answer
   x = 6,845.62