Finding the Fourth Proportional to 2,036.78, 3,054.42 and 804.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.78 : 3,054.42 = 804.48 : x
2. Step 2: Convert to fraction form
   2,036.78/3,054.42 = 804.48/x
3. Step 3: Cross multiply
   2,036.78x = 3,054.42 × 804.48
4. Step 4: Simplify right side
   2,036.78x = 2,457,219.80
5. Step 5: Solve for x
   x = 2,457,219.80/2,036.78
6. Step 6: Final answer
   x = 1,206.42