Finding the Fourth Proportional to 2,488.50, 3,730.86 and 844.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.50 : 3,730.86 = 844.65 : x
2. Step 2: Convert to fraction form
   2,488.50/3,730.86 = 844.65/x
3. Step 3: Cross multiply
   2,488.50x = 3,730.86 × 844.65
4. Step 4: Simplify right side
   2,488.50x = 3,151,270.90
5. Step 5: Solve for x
   x = 3,151,270.90/2,488.50
6. Step 6: Final answer
   x = 1,266.33