Finding the Fourth Proportional to 2,427.42, 3,640.56 and 1,040.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.42 : 3,640.56 = 1,040.10 : x
2. Step 2: Convert to fraction form
   2,427.42/3,640.56 = 1,040.10/x
3. Step 3: Cross multiply
   2,427.42x = 3,640.56 × 1,040.10
4. Step 4: Simplify right side
   2,427.42x = 3,786,546.46
5. Step 5: Solve for x
   x = 3,786,546.46/2,427.42
6. Step 6: Final answer
   x = 1,559.91