Finding the Fourth Proportional to 2,427.37, 3,640.28 and 1,040.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.37 : 3,640.28 = 1,040.33 : x
2. Step 2: Convert to fraction form
   2,427.37/3,640.28 = 1,040.33/x
3. Step 3: Cross multiply
   2,427.37x = 3,640.28 × 1,040.33
4. Step 4: Simplify right side
   2,427.37x = 3,787,096.39
5. Step 5: Solve for x
   x = 3,787,096.39/2,427.37
6. Step 6: Final answer
   x = 1,560.17