Finding the Fourth Proportional to 2,441.36, 3,662.40 and 1,142.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,441.36 : 3,662.40 = 1,142.72 : x
2. Step 2: Convert to fraction form
   2,441.36/3,662.40 = 1,142.72/x
3. Step 3: Cross multiply
   2,441.36x = 3,662.40 × 1,142.72
4. Step 4: Simplify right side
   2,441.36x = 4,185,097.73
5. Step 5: Solve for x
   x = 4,185,097.73/2,441.36
6. Step 6: Final answer
   x = 1,714.25