Finding the Fourth Proportional to 1,519.24, 2,096.72 and 856.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.24 : 2,096.72 = 856.15 : x
2. Step 2: Convert to fraction form
   1,519.24/2,096.72 = 856.15/x
3. Step 3: Cross multiply
   1,519.24x = 2,096.72 × 856.15
4. Step 4: Simplify right side
   1,519.24x = 1,795,092.06
5. Step 5: Solve for x
   x = 1,795,092.06/1,519.24
6. Step 6: Final answer
   x = 1,181.58