Finding the Fourth Proportional to 1,444.52, 1,993.68 and 855.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.52 : 1,993.68 = 855.25 : x
2. Step 2: Convert to fraction form
   1,444.52/1,993.68 = 855.25/x
3. Step 3: Cross multiply
   1,444.52x = 1,993.68 × 855.25
4. Step 4: Simplify right side
   1,444.52x = 1,705,094.82
5. Step 5: Solve for x
   x = 1,705,094.82/1,444.52
6. Step 6: Final answer
   x = 1,180.39