Finding the Fourth Proportional to 1,483.59, 2,047.34 and 820.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.59 : 2,047.34 = 820.44 : x
2. Step 2: Convert to fraction form
   1,483.59/2,047.34 = 820.44/x
3. Step 3: Cross multiply
   1,483.59x = 2,047.34 × 820.44
4. Step 4: Simplify right side
   1,483.59x = 1,679,719.63
5. Step 5: Solve for x
   x = 1,679,719.63/1,483.59
6. Step 6: Final answer
   x = 1,132.20