Finding the Fourth Proportional to 2,581.31, 3,563.03 and 1,649.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.31 : 3,563.03 = 1,649.81 : x
2. Step 2: Convert to fraction form
   2,581.31/3,563.03 = 1,649.81/x
3. Step 3: Cross multiply
   2,581.31x = 3,563.03 × 1,649.81
4. Step 4: Simplify right side
   2,581.31x = 5,878,335.56
5. Step 5: Solve for x
   x = 5,878,335.56/2,581.31
6. Step 6: Final answer
   x = 2,277.27