Finding the Fourth Proportional to 1,518.96, 2,096.17 and 820.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.96 : 2,096.17 = 820.34 : x
2. Step 2: Convert to fraction form
   1,518.96/2,096.17 = 820.34/x
3. Step 3: Cross multiply
   1,518.96x = 2,096.17 × 820.34
4. Step 4: Simplify right side
   1,518.96x = 1,719,560.38
5. Step 5: Solve for x
   x = 1,719,560.38/1,518.96
6. Step 6: Final answer
   x = 1,132.06