Finding the Fourth Proportional to 2,493.45, 3,443.76 and 1,940.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.45 : 3,443.76 = 1,940.58 : x
2. Step 2: Convert to fraction form
   2,493.45/3,443.76 = 1,940.58/x
3. Step 3: Cross multiply
   2,493.45x = 3,443.76 × 1,940.58
4. Step 4: Simplify right side
   2,493.45x = 6,682,891.78
5. Step 5: Solve for x
   x = 6,682,891.78/2,493.45
6. Step 6: Final answer
   x = 2,680.18