Finding the Fourth Proportional to 2,488.89, 3,730.73 and 928.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.89 : 3,730.73 = 928.27 : x
2. Step 2: Convert to fraction form
   2,488.89/3,730.73 = 928.27/x
3. Step 3: Cross multiply
   2,488.89x = 3,730.73 × 928.27
4. Step 4: Simplify right side
   2,488.89x = 3,463,106.08
5. Step 5: Solve for x
   x = 3,463,106.08/2,488.89
6. Step 6: Final answer
   x = 1,391.43