Finding the Fourth Proportional to 6,768.16, 10,142.73 and 5,101.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,768.16 : 10,142.73 = 5,101.18 : x
2. Step 2: Convert to fraction form
   6,768.16/10,142.73 = 5,101.18/x
3. Step 3: Cross multiply
   6,768.16x = 10,142.73 × 5,101.18
4. Step 4: Simplify right side
   6,768.16x = 51,739,891.42
5. Step 5: Solve for x
   x = 51,739,891.42/6,768.16
6. Step 6: Final answer
   x = 7,644.60