Finding the Fourth Proportional to 1,519.22, 2,096.53 and 820.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.22 : 2,096.53 = 820.60 : x
2. Step 2: Convert to fraction form
   1,519.22/2,096.53 = 820.60/x
3. Step 3: Cross multiply
   1,519.22x = 2,096.53 × 820.60
4. Step 4: Simplify right side
   1,519.22x = 1,720,411.67
5. Step 5: Solve for x
   x = 1,720,411.67/1,519.22
6. Step 6: Final answer
   x = 1,132.43