Finding the Fourth Proportional to 1,519.42, 2,096.79 and 856.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.42 : 2,096.79 = 856.49 : x
2. Step 2: Convert to fraction form
   1,519.42/2,096.79 = 856.49/x
3. Step 3: Cross multiply
   1,519.42x = 2,096.79 × 856.49
4. Step 4: Simplify right side
   1,519.42x = 1,795,864.90
5. Step 5: Solve for x
   x = 1,795,864.90/1,519.42
6. Step 6: Final answer
   x = 1,181.94