Finding the Fourth Proportional to 2,018.97, 3,029.31 and 787.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.97 : 3,029.31 = 787.24 : x
2. Step 2: Convert to fraction form
   2,018.97/3,029.31 = 787.24/x
3. Step 3: Cross multiply
   2,018.97x = 3,029.31 × 787.24
4. Step 4: Simplify right side
   2,018.97x = 2,384,801.58
5. Step 5: Solve for x
   x = 2,384,801.58/2,018.97
6. Step 6: Final answer
   x = 1,181.20