Finding the Fourth Proportional to 1,479.83, 2,042.18 and 816.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479.83 : 2,042.18 = 816.73 : x
2. Step 2: Convert to fraction form
   1,479.83/2,042.18 = 816.73/x
3. Step 3: Cross multiply
   1,479.83x = 2,042.18 × 816.73
4. Step 4: Simplify right side
   1,479.83x = 1,667,905.59
5. Step 5: Solve for x
   x = 1,667,905.59/1,479.83
6. Step 6: Final answer
   x = 1,127.09