Finding the Fourth Proportional to 3,960.32, 5,472.47 and 3,768.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.32 : 5,472.47 = 3,768.17 : x
2. Step 2: Convert to fraction form
   3,960.32/5,472.47 = 3,768.17/x
3. Step 3: Cross multiply
   3,960.32x = 5,472.47 × 3,768.17
4. Step 4: Simplify right side
   3,960.32x = 20,621,179.34
5. Step 5: Solve for x
   x = 20,621,179.34/3,960.32
6. Step 6: Final answer
   x = 5,206.95