Finding the Fourth Proportional to 1,444.53, 1,993.31 and 885.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.53 : 1,993.31 = 885.03 : x
2. Step 2: Convert to fraction form
   1,444.53/1,993.31 = 885.03/x
3. Step 3: Cross multiply
   1,444.53x = 1,993.31 × 885.03
4. Step 4: Simplify right side
   1,444.53x = 1,764,130.57
5. Step 5: Solve for x
   x = 1,764,130.57/1,444.53
6. Step 6: Final answer
   x = 1,221.25