Finding the Fourth Proportional to 2,440.77, 3,662.46 and 1,142.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,440.77 : 3,662.46 = 1,142.25 : x
2. Step 2: Convert to fraction form
   2,440.77/3,662.46 = 1,142.25/x
3. Step 3: Cross multiply
   2,440.77x = 3,662.46 × 1,142.25
4. Step 4: Simplify right side
   2,440.77x = 4,183,444.94
5. Step 5: Solve for x
   x = 4,183,444.94/2,440.77
6. Step 6: Final answer
   x = 1,713.99