Finding the Fourth Proportional to 1,489.03, 2,054.27 and 957.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,489.03 : 2,054.27 = 957.83 : x
2. Step 2: Convert to fraction form
   1,489.03/2,054.27 = 957.83/x
3. Step 3: Cross multiply
   1,489.03x = 2,054.27 × 957.83
4. Step 4: Simplify right side
   1,489.03x = 1,967,641.43
5. Step 5: Solve for x
   x = 1,967,641.43/1,489.03
6. Step 6: Final answer
   x = 1,321.42