Finding the Fourth Proportional to 3,940.06, 5,397.86 and 3,792.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940.06 : 5,397.86 = 3,792.34 : x
2. Step 2: Convert to fraction form
   3,940.06/5,397.86 = 3,792.34/x
3. Step 3: Cross multiply
   3,940.06x = 5,397.86 × 3,792.34
4. Step 4: Simplify right side
   3,940.06x = 20,470,520.39
5. Step 5: Solve for x
   x = 20,470,520.39/3,940.06
6. Step 6: Final answer
   x = 5,195.48