Finding the Fourth Proportional to 8,938.84, 12,335.28 and 4,960.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,938.84 : 12,335.28 = 4,960.12 : x
2. Step 2: Convert to fraction form
   8,938.84/12,335.28 = 4,960.12/x
3. Step 3: Cross multiply
   8,938.84x = 12,335.28 × 4,960.12
4. Step 4: Simplify right side
   8,938.84x = 61,184,469.03
5. Step 5: Solve for x
   x = 61,184,469.03/8,938.84
6. Step 6: Final answer
   x = 6,844.79