Finding the Fourth Proportional to 1,818.09, 2,728.49 and 1,262.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818.09 : 2,728.49 = 1,262.48 : x
2. Step 2: Convert to fraction form
   1,818.09/2,728.49 = 1,262.48/x
3. Step 3: Cross multiply
   1,818.09x = 2,728.49 × 1,262.48
4. Step 4: Simplify right side
   1,818.09x = 3,444,644.10
5. Step 5: Solve for x
   x = 3,444,644.10/1,818.09
6. Step 6: Final answer
   x = 1,894.65