Finding the Fourth Proportional to 1,983.96, 2,737.24 and 1,144.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.96 : 2,737.24 = 1,144.55 : x
2. Step 2: Convert to fraction form
   1,983.96/2,737.24 = 1,144.55/x
3. Step 3: Cross multiply
   1,983.96x = 2,737.24 × 1,144.55
4. Step 4: Simplify right side
   1,983.96x = 3,132,908.04
5. Step 5: Solve for x
   x = 3,132,908.04/1,983.96
6. Step 6: Final answer
   x = 1,579.12