Finding the Fourth Proportional to 1,444.72, 1,993.66 and 815.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.72 : 1,993.66 = 815.27 : x
2. Step 2: Convert to fraction form
   1,444.72/1,993.66 = 815.27/x
3. Step 3: Cross multiply
   1,444.72x = 1,993.66 × 815.27
4. Step 4: Simplify right side
   1,444.72x = 1,625,363.77
5. Step 5: Solve for x
   x = 1,625,363.77/1,444.72
6. Step 6: Final answer
   x = 1,125.04