Finding the Fourth Proportional to 1,483.24, 2,046.79 and 820.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.24 : 2,046.79 = 820.05 : x
2. Step 2: Convert to fraction form
   1,483.24/2,046.79 = 820.05/x
3. Step 3: Cross multiply
   1,483.24x = 2,046.79 × 820.05
4. Step 4: Simplify right side
   1,483.24x = 1,678,455.81
5. Step 5: Solve for x
   x = 1,678,455.81/1,483.24
6. Step 6: Final answer
   x = 1,131.62