Finding the Fourth Proportional to 1,483.35, 2,046.98 and 820.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.35 : 2,046.98 = 820.17 : x
2. Step 2: Convert to fraction form
   1,483.35/2,046.98 = 820.17/x
3. Step 3: Cross multiply
   1,483.35x = 2,046.98 × 820.17
4. Step 4: Simplify right side
   1,483.35x = 1,678,867.49
5. Step 5: Solve for x
   x = 1,678,867.49/1,483.35
6. Step 6: Final answer
   x = 1,131.81