Finding the Fourth Proportional to 2,680.58, 4,024.33 and 2,064.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.58 : 4,024.33 = 2,064.71 : x
2. Step 2: Convert to fraction form
   2,680.58/4,024.33 = 2,064.71/x
3. Step 3: Cross multiply
   2,680.58x = 4,024.33 × 2,064.71
4. Step 4: Simplify right side
   2,680.58x = 8,309,074.39
5. Step 5: Solve for x
   x = 8,309,074.39/2,680.58
6. Step 6: Final answer
   x = 3,099.73