Finding the Fourth Proportional to 5,767.98, 7,952.37 and 3,777.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,767.98 : 7,952.37 = 3,777.81 : x
2. Step 2: Convert to fraction form
   5,767.98/7,952.37 = 3,777.81/x
3. Step 3: Cross multiply
   5,767.98x = 7,952.37 × 3,777.81
4. Step 4: Simplify right side
   5,767.98x = 30,042,542.91
5. Step 5: Solve for x
   x = 30,042,542.91/5,767.98
6. Step 6: Final answer
   x = 5,208.50