Finding the Fourth Proportional to 1,424.44, 1,965.18 and 1,052.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.44 : 1,965.18 = 1,052.31 : x
2. Step 2: Convert to fraction form
   1,424.44/1,965.18 = 1,052.31/x
3. Step 3: Cross multiply
   1,424.44x = 1,965.18 × 1,052.31
4. Step 4: Simplify right side
   1,424.44x = 2,067,978.57
5. Step 5: Solve for x
   x = 2,067,978.57/1,424.44
6. Step 6: Final answer
   x = 1,451.78