Finding the Fourth Proportional to 2,488.73, 3,730.48 and 1,253.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.73 : 3,730.48 = 1,253.55 : x
2. Step 2: Convert to fraction form
   2,488.73/3,730.48 = 1,253.55/x
3. Step 3: Cross multiply
   2,488.73x = 3,730.48 × 1,253.55
4. Step 4: Simplify right side
   2,488.73x = 4,676,319.07
5. Step 5: Solve for x
   x = 4,676,319.07/2,488.73
6. Step 6: Final answer
   x = 1,879.00