Finding the Fourth Proportional to 2,786.82, 4,180.03 and 1,142.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.82 : 4,180.03 = 1,142.92 : x
2. Step 2: Convert to fraction form
   2,786.82/4,180.03 = 1,142.92/x
3. Step 3: Cross multiply
   2,786.82x = 4,180.03 × 1,142.92
4. Step 4: Simplify right side
   2,786.82x = 4,777,439.89
5. Step 5: Solve for x
   x = 4,777,439.89/2,786.82
6. Step 6: Final answer
   x = 1,714.30