Finding the Fourth Proportional to 5,767.48, 7,951.68 and 3,777.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,767.48 : 7,951.68 = 3,777.31 : x
2. Step 2: Convert to fraction form
   5,767.48/7,951.68 = 3,777.31/x
3. Step 3: Cross multiply
   5,767.48x = 7,951.68 × 3,777.31
4. Step 4: Simplify right side
   5,767.48x = 30,035,960.38
5. Step 5: Solve for x
   x = 30,035,960.38/5,767.48
6. Step 6: Final answer
   x = 5,207.81