Finding the Fourth Proportional to 2,040.58, 3,061.40 and 945.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.58 : 3,061.40 = 945.73 : x
2. Step 2: Convert to fraction form
   2,040.58/3,061.40 = 945.73/x
3. Step 3: Cross multiply
   2,040.58x = 3,061.40 × 945.73
4. Step 4: Simplify right side
   2,040.58x = 2,895,257.82
5. Step 5: Solve for x
   x = 2,895,257.82/2,040.58
6. Step 6: Final answer
   x = 1,418.84