Finding the Fourth Proportional to 1,351.83, 2,028.78 and 1,005.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351.83 : 2,028.78 = 1,005.96 : x
2. Step 2: Convert to fraction form
   1,351.83/2,028.78 = 1,005.96/x
3. Step 3: Cross multiply
   1,351.83x = 2,028.78 × 1,005.96
4. Step 4: Simplify right side
   1,351.83x = 2,040,871.53
5. Step 5: Solve for x
   x = 2,040,871.53/1,351.83
6. Step 6: Final answer
   x = 1,509.71