Finding the Fourth Proportional to 1,804.95, 2,490.57 and 1,008.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.95 : 2,490.57 = 1,008.27 : x
2. Step 2: Convert to fraction form
   1,804.95/2,490.57 = 1,008.27/x
3. Step 3: Cross multiply
   1,804.95x = 2,490.57 × 1,008.27
4. Step 4: Simplify right side
   1,804.95x = 2,511,167.01
5. Step 5: Solve for x
   x = 2,511,167.01/1,804.95
6. Step 6: Final answer
   x = 1,391.27