Finding the Fourth Proportional to 8,061.37, 12,077.76 and 6,879.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.37 : 12,077.76 = 6,879.38 : x
2. Step 2: Convert to fraction form
   8,061.37/12,077.76 = 6,879.38/x
3. Step 3: Cross multiply
   8,061.37x = 12,077.76 × 6,879.38
4. Step 4: Simplify right side
   8,061.37x = 83,087,405.80
5. Step 5: Solve for x
   x = 83,087,405.80/8,061.37
6. Step 6: Final answer
   x = 10,306.87