Finding the Fourth Proportional to 2,679.78, 4,020.06 and 1,014.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,679.78 : 4,020.06 = 1,014.53 : x
2. Step 2: Convert to fraction form
   2,679.78/4,020.06 = 1,014.53/x
3. Step 3: Cross multiply
   2,679.78x = 4,020.06 × 1,014.53
4. Step 4: Simplify right side
   2,679.78x = 4,078,451.37
5. Step 5: Solve for x
   x = 4,078,451.37/2,679.78
6. Step 6: Final answer
   x = 1,521.94