Finding the Fourth Proportional to 3,680.97, 5,079.59 and 2,087.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680.97 : 5,079.59 = 2,087.73 : x
2. Step 2: Convert to fraction form
   3,680.97/5,079.59 = 2,087.73/x
3. Step 3: Cross multiply
   3,680.97x = 5,079.59 × 2,087.73
4. Step 4: Simplify right side
   3,680.97x = 10,604,817.65
5. Step 5: Solve for x
   x = 10,604,817.65/3,680.97
6. Step 6: Final answer
   x = 2,880.98