Finding the Fourth Proportional to 5,288.92, 7,917.81 and 3,908.41

Step by Step Solution

1. Step 1: Write the proportion equation
   5,288.92 : 7,917.81 = 3,908.41 : x
2. Step 2: Convert to fraction form
   5,288.92/7,917.81 = 3,908.41/x
3. Step 3: Cross multiply
   5,288.92x = 7,917.81 × 3,908.41
4. Step 4: Simplify right side
   5,288.92x = 30,946,096.48
5. Step 5: Solve for x
   x = 30,946,096.48/5,288.92
6. Step 6: Final answer
   x = 5,851.12