Finding the Fourth Proportional to 1,483.22, 2,046.55 and 820.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.22 : 2,046.55 = 820.06 : x
2. Step 2: Convert to fraction form
   1,483.22/2,046.55 = 820.06/x
3. Step 3: Cross multiply
   1,483.22x = 2,046.55 × 820.06
4. Step 4: Simplify right side
   1,483.22x = 1,678,293.79
5. Step 5: Solve for x
   x = 1,678,293.79/1,483.22
6. Step 6: Final answer
   x = 1,131.52