Finding the Fourth Proportional to 263,796.57, 395,648.42 and 76,764.33

Step by Step Solution

1. Step 1: Write the proportion equation
   263,796.57 : 395,648.42 = 76,764.33 : x
2. Step 2: Convert to fraction form
   263,796.57/395,648.42 = 76,764.33/x
3. Step 3: Cross multiply
   263,796.57x = 395,648.42 × 76,764.33
4. Step 4: Simplify right side
   263,796.57x = 30,371,685,493.04
5. Step 5: Solve for x
   x = 30,371,685,493.04/263,796.57
6. Step 6: Final answer
   x = 115,132.98