Finding the Fourth Proportional to 2,760.72, 3,809.86 and 1,582.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.72 : 3,809.86 = 1,582.16 : x
2. Step 2: Convert to fraction form
   2,760.72/3,809.86 = 1,582.16/x
3. Step 3: Cross multiply
   2,760.72x = 3,809.86 × 1,582.16
4. Step 4: Simplify right side
   2,760.72x = 6,027,808.10
5. Step 5: Solve for x
   x = 6,027,808.10/2,760.72
6. Step 6: Final answer
   x = 2,183.42