Finding the Fourth Proportional to 2,481.27, 3,721.78 and 837.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,481.27 : 3,721.78 = 837.88 : x
2. Step 2: Convert to fraction form
   2,481.27/3,721.78 = 837.88/x
3. Step 3: Cross multiply
   2,481.27x = 3,721.78 × 837.88
4. Step 4: Simplify right side
   2,481.27x = 3,118,396.77
5. Step 5: Solve for x
   x = 3,118,396.77/2,481.27
6. Step 6: Final answer
   x = 1,256.78