Finding the Fourth Proportional to 1,984.14, 2,738.37 and 1,144.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.14 : 2,738.37 = 1,144.89 : x
2. Step 2: Convert to fraction form
   1,984.14/2,738.37 = 1,144.89/x
3. Step 3: Cross multiply
   1,984.14x = 2,738.37 × 1,144.89
4. Step 4: Simplify right side
   1,984.14x = 3,135,132.43
5. Step 5: Solve for x
   x = 3,135,132.43/1,984.14
6. Step 6: Final answer
   x = 1,580.10