Finding the Fourth Proportional to 8,769.89, 12,107.89 and 5,584.97

Step by Step Solution

1. Step 1: Write the proportion equation
   8,769.89 : 12,107.89 = 5,584.97 : x
2. Step 2: Convert to fraction form
   8,769.89/12,107.89 = 5,584.97/x
3. Step 3: Cross multiply
   8,769.89x = 12,107.89 × 5,584.97
4. Step 4: Simplify right side
   8,769.89x = 67,622,202.41
5. Step 5: Solve for x
   x = 67,622,202.41/8,769.89
6. Step 6: Final answer
   x = 7,710.72