Finding the Fourth Proportional to 3,424.33, 5,137.02 and 1,083.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,424.33 : 5,137.02 = 1,083.78 : x
2. Step 2: Convert to fraction form
   3,424.33/5,137.02 = 1,083.78/x
3. Step 3: Cross multiply
   3,424.33x = 5,137.02 × 1,083.78
4. Step 4: Simplify right side
   3,424.33x = 5,567,399.54
5. Step 5: Solve for x
   x = 5,567,399.54/3,424.33
6. Step 6: Final answer
   x = 1,625.84