Finding the Fourth Proportional to 2,488.56, 3,732.12 and 844.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.56 : 3,732.12 = 844.80 : x
2. Step 2: Convert to fraction form
   2,488.56/3,732.12 = 844.80/x
3. Step 3: Cross multiply
   2,488.56x = 3,732.12 × 844.80
4. Step 4: Simplify right side
   2,488.56x = 3,152,894.98
5. Step 5: Solve for x
   x = 3,152,894.98/2,488.56
6. Step 6: Final answer
   x = 1,266.96