Finding the Fourth Proportional to 2,787.98, 4,181.84 and 1,144.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,787.98 : 4,181.84 = 1,144.12 : x
2. Step 2: Convert to fraction form
   2,787.98/4,181.84 = 1,144.12/x
3. Step 3: Cross multiply
   2,787.98x = 4,181.84 × 1,144.12
4. Step 4: Simplify right side
   2,787.98x = 4,784,526.78
5. Step 5: Solve for x
   x = 4,784,526.78/2,787.98
6. Step 6: Final answer
   x = 1,716.13