Finding the Fourth Proportional to 1,804.34, 2,490.14 and 1,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.34 : 2,490.14 = 1,018.50 : x
2. Step 2: Convert to fraction form
   1,804.34/2,490.14 = 1,018.50/x
3. Step 3: Cross multiply
   1,804.34x = 2,490.14 × 1,018.50
4. Step 4: Simplify right side
   1,804.34x = 2,536,207.59
5. Step 5: Solve for x
   x = 2,536,207.59/1,804.34
6. Step 6: Final answer
   x = 1,405.62