Finding the Fourth Proportional to 12,085.81, 16,680.15 and 6,709.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,085.81 : 16,680.15 = 6,709.48 : x
2. Step 2: Convert to fraction form
   12,085.81/16,680.15 = 6,709.48/x
3. Step 3: Cross multiply
   12,085.81x = 16,680.15 × 6,709.48
4. Step 4: Simplify right side
   12,085.81x = 111,915,091.12
5. Step 5: Solve for x
   x = 111,915,091.12/12,085.81
6. Step 6: Final answer
   x = 9,260.04