Finding the Fourth Proportional to 1,983.81, 2,737.76 and 1,144.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.81 : 2,737.76 = 1,144.71 : x
2. Step 2: Convert to fraction form
   1,983.81/2,737.76 = 1,144.71/x
3. Step 3: Cross multiply
   1,983.81x = 2,737.76 × 1,144.71
4. Step 4: Simplify right side
   1,983.81x = 3,133,941.25
5. Step 5: Solve for x
   x = 3,133,941.25/1,983.81
6. Step 6: Final answer
   x = 1,579.76