Finding the Fourth Proportional to 1,483.25, 2,046.84 and 820.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.25 : 2,046.84 = 820.09 : x
2. Step 2: Convert to fraction form
   1,483.25/2,046.84 = 820.09/x
3. Step 3: Cross multiply
   1,483.25x = 2,046.84 × 820.09
4. Step 4: Simplify right side
   1,483.25x = 1,678,592.50
5. Step 5: Solve for x
   x = 1,678,592.50/1,483.25
6. Step 6: Final answer
   x = 1,131.70