Finding the Fourth Proportional to 8,938.69, 12,335.42 and 4,960.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938.69 : 12,335.42 = 4,960.37 : x
2. Step 2: Convert to fraction form
   8,938.69/12,335.42 = 4,960.37/x
3. Step 3: Cross multiply
   8,938.69x = 12,335.42 × 4,960.37
4. Step 4: Simplify right side
   8,938.69x = 61,188,290.54
5. Step 5: Solve for x
   x = 61,188,290.54/8,938.69
6. Step 6: Final answer
   x = 6,845.33