Finding the Fourth Proportional to 2,760.72, 3,810.18 and 1,581.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,760.72 : 3,810.18 = 1,581.79 : x
2. Step 2: Convert to fraction form
   2,760.72/3,810.18 = 1,581.79/x
3. Step 3: Cross multiply
   2,760.72x = 3,810.18 × 1,581.79
4. Step 4: Simplify right side
   2,760.72x = 6,026,904.62
5. Step 5: Solve for x
   x = 6,026,904.62/2,760.72
6. Step 6: Final answer
   x = 2,183.09