Finding the Fourth Proportional to 1,483.46, 2,047.17 and 820.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.46 : 2,047.17 = 820.29 : x
2. Step 2: Convert to fraction form
   1,483.46/2,047.17 = 820.29/x
3. Step 3: Cross multiply
   1,483.46x = 2,047.17 × 820.29
4. Step 4: Simplify right side
   1,483.46x = 1,679,273.08
5. Step 5: Solve for x
   x = 1,679,273.08/1,483.46
6. Step 6: Final answer
   x = 1,132.00