Finding the Fourth Proportional to 1,444.32, 1,993.04 and 854.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.32 : 1,993.04 = 854.72 : x
2. Step 2: Convert to fraction form
   1,444.32/1,993.04 = 854.72/x
3. Step 3: Cross multiply
   1,444.32x = 1,993.04 × 854.72
4. Step 4: Simplify right side
   1,444.32x = 1,703,491.15
5. Step 5: Solve for x
   x = 1,703,491.15/1,444.32
6. Step 6: Final answer
   x = 1,179.44