Finding the Fourth Proportional to 3,928.23, 5,895.86 and 2,080.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,928.23 : 5,895.86 = 2,080.62 : x
2. Step 2: Convert to fraction form
   3,928.23/5,895.86 = 2,080.62/x
3. Step 3: Cross multiply
   3,928.23x = 5,895.86 × 2,080.62
4. Step 4: Simplify right side
   3,928.23x = 12,267,033.83
5. Step 5: Solve for x
   x = 12,267,033.83/3,928.23
6. Step 6: Final answer
   x = 3,122.79