Finding the Fourth Proportional to 1,483.51, 2,047.23 and 820.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,483.51 : 2,047.23 = 820.34 : x
2. Step 2: Convert to fraction form
   1,483.51/2,047.23 = 820.34/x
3. Step 3: Cross multiply
   1,483.51x = 2,047.23 × 820.34
4. Step 4: Simplify right side
   1,483.51x = 1,679,414.42
5. Step 5: Solve for x
   x = 1,679,414.42/1,483.51
6. Step 6: Final answer
   x = 1,132.06