Finding the Fourth Proportional to 6,768.80, 10,153.92 and 2,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,768.80 : 10,153.92 = 2,150.72 : x
2. Step 2: Convert to fraction form
   6,768.80/10,153.92 = 2,150.72/x
3. Step 3: Cross multiply
   6,768.80x = 10,153.92 × 2,150.72
4. Step 4: Simplify right side
   6,768.80x = 21,838,238.82
5. Step 5: Solve for x
   x = 21,838,238.82/6,768.80
6. Step 6: Final answer
   x = 3,226.31