Finding the Fourth Proportional to 6,871.06, 10,300.51 and 3,311.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,871.06 : 10,300.51 = 3,311.38 : x
2. Step 2: Convert to fraction form
   6,871.06/10,300.51 = 3,311.38/x
3. Step 3: Cross multiply
   6,871.06x = 10,300.51 × 3,311.38
4. Step 4: Simplify right side
   6,871.06x = 34,108,902.80
5. Step 5: Solve for x
   x = 34,108,902.80/6,871.06
6. Step 6: Final answer
   x = 4,964.14