Finding the Fourth Proportional to 3,941.10, 5,440.59 and 2,768.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941.10 : 5,440.59 = 2,768.34 : x
2. Step 2: Convert to fraction form
   3,941.10/5,440.59 = 2,768.34/x
3. Step 3: Cross multiply
   3,941.10x = 5,440.59 × 2,768.34
4. Step 4: Simplify right side
   3,941.10x = 15,061,402.92
5. Step 5: Solve for x
   x = 15,061,402.92/3,941.10
6. Step 6: Final answer
   x = 3,821.62