Finding the Fourth Proportional to 1,483.23, 2,046.80 and 820.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.23 : 2,046.80 = 820.06 : x
2. Step 2: Convert to fraction form
   1,483.23/2,046.80 = 820.06/x
3. Step 3: Cross multiply
   1,483.23x = 2,046.80 × 820.06
4. Step 4: Simplify right side
   1,483.23x = 1,678,496.76
5. Step 5: Solve for x
   x = 1,678,496.76/1,483.23
6. Step 6: Final answer
   x = 1,131.65