Finding the Fourth Proportional to 8,756.46, 12,082.71 and 4,979.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,756.46 : 12,082.71 = 4,979.82 : x
2. Step 2: Convert to fraction form
   8,756.46/12,082.71 = 4,979.82/x
3. Step 3: Cross multiply
   8,756.46x = 12,082.71 × 4,979.82
4. Step 4: Simplify right side
   8,756.46x = 60,169,720.91
5. Step 5: Solve for x
   x = 60,169,720.91/8,756.46
6. Step 6: Final answer
   x = 6,871.47