Finding the Fourth Proportional to 2,768.46, 3,819.72 and 1,928.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768.46 : 3,819.72 = 1,928.22 : x
2. Step 2: Convert to fraction form
   2,768.46/3,819.72 = 1,928.22/x
3. Step 3: Cross multiply
   2,768.46x = 3,819.72 × 1,928.22
4. Step 4: Simplify right side
   2,768.46x = 7,365,260.50
5. Step 5: Solve for x
   x = 7,365,260.50/2,768.46
6. Step 6: Final answer
   x = 2,660.42