Finding the Fourth Proportional to 6,756.72, 10,128.15 and 2,810.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,756.72 : 10,128.15 = 2,810.27 : x
2. Step 2: Convert to fraction form
   6,756.72/10,128.15 = 2,810.27/x
3. Step 3: Cross multiply
   6,756.72x = 10,128.15 × 2,810.27
4. Step 4: Simplify right side
   6,756.72x = 28,462,785.46
5. Step 5: Solve for x
   x = 28,462,785.46/6,756.72
6. Step 6: Final answer
   x = 4,212.52