Finding the Fourth Proportional to 8,939.34, 12,335.68 and 4,960.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,939.34 : 12,335.68 = 4,960.30 : x
2. Step 2: Convert to fraction form
   8,939.34/12,335.68 = 4,960.30/x
3. Step 3: Cross multiply
   8,939.34x = 12,335.68 × 4,960.30
4. Step 4: Simplify right side
   8,939.34x = 61,188,673.50
5. Step 5: Solve for x
   x = 61,188,673.50/8,939.34
6. Step 6: Final answer
   x = 6,844.88