Finding the Fourth Proportional to 1,814.94, 2,504.88 and 1,018.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.94 : 2,504.88 = 1,018.35 : x
2. Step 2: Convert to fraction form
   1,814.94/2,504.88 = 1,018.35/x
3. Step 3: Cross multiply
   1,814.94x = 2,504.88 × 1,018.35
4. Step 4: Simplify right side
   1,814.94x = 2,550,844.55
5. Step 5: Solve for x
   x = 2,550,844.55/1,814.94
6. Step 6: Final answer
   x = 1,405.47