Finding the Fourth Proportional to 2,488.79, 3,730.61 and 844.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.79 : 3,730.61 = 844.79 : x
2. Step 2: Convert to fraction form
   2,488.79/3,730.61 = 844.79/x
3. Step 3: Cross multiply
   2,488.79x = 3,730.61 × 844.79
4. Step 4: Simplify right side
   2,488.79x = 3,151,565.48
5. Step 5: Solve for x
   x = 3,151,565.48/2,488.79
6. Step 6: Final answer
   x = 1,266.30