Finding the Fourth Proportional to 2,678.27, 4,015.80 and 1,033.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.27 : 4,015.80 = 1,033.47 : x
2. Step 2: Convert to fraction form
   2,678.27/4,015.80 = 1,033.47/x
3. Step 3: Cross multiply
   2,678.27x = 4,015.80 × 1,033.47
4. Step 4: Simplify right side
   2,678.27x = 4,150,208.83
5. Step 5: Solve for x
   x = 4,150,208.83/2,678.27
6. Step 6: Final answer
   x = 1,549.59