Finding the Fourth Proportional to 1,519.30, 2,096.73 and 856.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.30 : 2,096.73 = 856.21 : x
2. Step 2: Convert to fraction form
   1,519.30/2,096.73 = 856.21/x
3. Step 3: Cross multiply
   1,519.30x = 2,096.73 × 856.21
4. Step 4: Simplify right side
   1,519.30x = 1,795,241.19
5. Step 5: Solve for x
   x = 1,795,241.19/1,519.30
6. Step 6: Final answer
   x = 1,181.62