Finding the Fourth Proportional to 2,576.00, 3,864.07 and 727.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576.00 : 3,864.07 = 727.31 : x
2. Step 2: Convert to fraction form
   2,576.00/3,864.07 = 727.31/x
3. Step 3: Cross multiply
   2,576.00x = 3,864.07 × 727.31
4. Step 4: Simplify right side
   2,576.00x = 2,810,387.32
5. Step 5: Solve for x
   x = 2,810,387.32/2,576.00
6. Step 6: Final answer
   x = 1,090.99