Finding the Fourth Proportional to 2,581.91, 3,871.68 and 732.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.91 : 3,871.68 = 732.59 : x
2. Step 2: Convert to fraction form
   2,581.91/3,871.68 = 732.59/x
3. Step 3: Cross multiply
   2,581.91x = 3,871.68 × 732.59
4. Step 4: Simplify right side
   2,581.91x = 2,836,334.69
5. Step 5: Solve for x
   x = 2,836,334.69/2,581.91
6. Step 6: Final answer
   x = 1,098.54