Finding the Fourth Proportional to 1,609.30, 2,411.94 and 1,144.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609.30 : 2,411.94 = 1,144.54 : x
2. Step 2: Convert to fraction form
   1,609.30/2,411.94 = 1,144.54/x
3. Step 3: Cross multiply
   1,609.30x = 2,411.94 × 1,144.54
4. Step 4: Simplify right side
   1,609.30x = 2,760,561.81
5. Step 5: Solve for x
   x = 2,760,561.81/1,609.30
6. Step 6: Final answer
   x = 1,715.38