Finding the Fourth Proportional to 1,479.92, 2,042.25 and 816.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.92 : 2,042.25 = 816.73 : x
2. Step 2: Convert to fraction form
   1,479.92/2,042.25 = 816.73/x
3. Step 3: Cross multiply
   1,479.92x = 2,042.25 × 816.73
4. Step 4: Simplify right side
   1,479.92x = 1,667,958.67
5. Step 5: Solve for x
   x = 1,667,958.67/1,479.92
6. Step 6: Final answer
   x = 1,127.06