Finding the Fourth Proportional to 1,483.38, 2,047.14 and 820.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.38 : 2,047.14 = 820.35 : x
2. Step 2: Convert to fraction form
   1,483.38/2,047.14 = 820.35/x
3. Step 3: Cross multiply
   1,483.38x = 2,047.14 × 820.35
4. Step 4: Simplify right side
   1,483.38x = 1,679,371.30
5. Step 5: Solve for x
   x = 1,679,371.30/1,483.38
6. Step 6: Final answer
   x = 1,132.12