Finding the Fourth Proportional to 2,443.91, 3,662.62 and 1,142.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.91 : 3,662.62 = 1,142.64 : x
2. Step 2: Convert to fraction form
   2,443.91/3,662.62 = 1,142.64/x
3. Step 3: Cross multiply
   2,443.91x = 3,662.62 × 1,142.64
4. Step 4: Simplify right side
   2,443.91x = 4,185,053.26
5. Step 5: Solve for x
   x = 4,185,053.26/2,443.91
6. Step 6: Final answer
   x = 1,712.45