Finding the Fourth Proportional to 2,487.27, 3,731.31 and 844.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.27 : 3,731.31 = 844.05 : x
2. Step 2: Convert to fraction form
   2,487.27/3,731.31 = 844.05/x
3. Step 3: Cross multiply
   2,487.27x = 3,731.31 × 844.05
4. Step 4: Simplify right side
   2,487.27x = 3,149,412.21
5. Step 5: Solve for x
   x = 3,149,412.21/2,487.27
6. Step 6: Final answer
   x = 1,266.21