Finding the Fourth Proportional to 2,488.64, 3,732.17 and 844.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.64 : 3,732.17 = 844.74 : x
2. Step 2: Convert to fraction form
   2,488.64/3,732.17 = 844.74/x
3. Step 3: Cross multiply
   2,488.64x = 3,732.17 × 844.74
4. Step 4: Simplify right side
   2,488.64x = 3,152,709.06
5. Step 5: Solve for x
   x = 3,152,709.06/2,488.64
6. Step 6: Final answer
   x = 1,266.84