Finding the Fourth Proportional to 6,768.78, 10,139.73 and 5,301.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,768.78 : 10,139.73 = 5,301.06 : x
2. Step 2: Convert to fraction form
   6,768.78/10,139.73 = 5,301.06/x
3. Step 3: Cross multiply
   6,768.78x = 10,139.73 × 5,301.06
4. Step 4: Simplify right side
   6,768.78x = 53,751,317.11
5. Step 5: Solve for x
   x = 53,751,317.11/6,768.78
6. Step 6: Final answer
   x = 7,941.06