Finding the Fourth Proportional to 1,804.73, 2,490.48 and 1,018.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.73 : 2,490.48 = 1,018.71 : x
2. Step 2: Convert to fraction form
   1,804.73/2,490.48 = 1,018.71/x
3. Step 3: Cross multiply
   1,804.73x = 2,490.48 × 1,018.71
4. Step 4: Simplify right side
   1,804.73x = 2,537,076.88
5. Step 5: Solve for x
   x = 2,537,076.88/1,804.73
6. Step 6: Final answer
   x = 1,405.80