Finding the Fourth Proportional to 2,559.30, 3,839.00 and 804.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.30 : 3,839.00 = 804.27 : x
2. Step 2: Convert to fraction form
   2,559.30/3,839.00 = 804.27/x
3. Step 3: Cross multiply
   2,559.30x = 3,839.00 × 804.27
4. Step 4: Simplify right side
   2,559.30x = 3,087,589.51
5. Step 5: Solve for x
   x = 3,087,589.51/2,559.30
6. Step 6: Final answer
   x = 1,206.42