Finding the Fourth Proportional to 8,667.10, 11,960.76 and 5,084.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,667.10 : 11,960.76 = 5,084.63 : x
2. Step 2: Convert to fraction form
   8,667.10/11,960.76 = 5,084.63/x
3. Step 3: Cross multiply
   8,667.10x = 11,960.76 × 5,084.63
4. Step 4: Simplify right side
   8,667.10x = 60,816,039.12
5. Step 5: Solve for x
   x = 60,816,039.12/8,667.10
6. Step 6: Final answer
   x = 7,016.89