Finding the Fourth Proportional to 2,048.78, 3,067.71 and 1,072.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,048.78 : 3,067.71 = 1,072.84 : x
2. Step 2: Convert to fraction form
   2,048.78/3,067.71 = 1,072.84/x
3. Step 3: Cross multiply
   2,048.78x = 3,067.71 × 1,072.84
4. Step 4: Simplify right side
   2,048.78x = 3,291,154.33
5. Step 5: Solve for x
   x = 3,291,154.33/2,048.78
6. Step 6: Final answer
   x = 1,606.40