Finding the Fourth Proportional to 2,559.10, 3,839.46 and 804.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.10 : 3,839.46 = 804.04 : x
2. Step 2: Convert to fraction form
   2,559.10/3,839.46 = 804.04/x
3. Step 3: Cross multiply
   2,559.10x = 3,839.46 × 804.04
4. Step 4: Simplify right side
   2,559.10x = 3,087,079.42
5. Step 5: Solve for x
   x = 3,087,079.42/2,559.10
6. Step 6: Final answer
   x = 1,206.31