Finding the Fourth Proportional to 1,804.52, 2,490.12 and 1,018.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.52 : 2,490.12 = 1,018.52 : x
2. Step 2: Convert to fraction form
   1,804.52/2,490.12 = 1,018.52/x
3. Step 3: Cross multiply
   1,804.52x = 2,490.12 × 1,018.52
4. Step 4: Simplify right side
   1,804.52x = 2,536,237.02
5. Step 5: Solve for x
   x = 2,536,237.02/1,804.52
6. Step 6: Final answer
   x = 1,405.49