Finding the Fourth Proportional to 2,575.71, 3,863.84 and 844.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.71 : 3,863.84 = 844.34 : x
2. Step 2: Convert to fraction form
   2,575.71/3,863.84 = 844.34/x
3. Step 3: Cross multiply
   2,575.71x = 3,863.84 × 844.34
4. Step 4: Simplify right side
   2,575.71x = 3,262,371.12
5. Step 5: Solve for x
   x = 3,262,371.12/2,575.71
6. Step 6: Final answer
   x = 1,266.59