Finding the Fourth Proportional to 2,488.22, 3,731.72 and 844.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.22 : 3,731.72 = 844.72 : x
2. Step 2: Convert to fraction form
   2,488.22/3,731.72 = 844.72/x
3. Step 3: Cross multiply
   2,488.22x = 3,731.72 × 844.72
4. Step 4: Simplify right side
   2,488.22x = 3,152,258.52
5. Step 5: Solve for x
   x = 3,152,258.52/2,488.22
6. Step 6: Final answer
   x = 1,266.87