Finding the Fourth Proportional to 6,751.38, 10,128.27 and 2,071.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,751.38 : 10,128.27 = 2,071.30 : x
2. Step 2: Convert to fraction form
   6,751.38/10,128.27 = 2,071.30/x
3. Step 3: Cross multiply
   6,751.38x = 10,128.27 × 2,071.30
4. Step 4: Simplify right side
   6,751.38x = 20,978,685.65
5. Step 5: Solve for x
   x = 20,978,685.65/6,751.38
6. Step 6: Final answer
   x = 3,107.32