Finding the Fourth Proportional to 1,483.38, 2,046.99 and 820.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.38 : 2,046.99 = 820.19 : x
2. Step 2: Convert to fraction form
   1,483.38/2,046.99 = 820.19/x
3. Step 3: Cross multiply
   1,483.38x = 2,046.99 × 820.19
4. Step 4: Simplify right side
   1,483.38x = 1,678,920.73
5. Step 5: Solve for x
   x = 1,678,920.73/1,483.38
6. Step 6: Final answer
   x = 1,131.82