Finding the Fourth Proportional to 1,519.48, 2,096.88 and 856.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.48 : 2,096.88 = 856.30 : x
2. Step 2: Convert to fraction form
   1,519.48/2,096.88 = 856.30/x
3. Step 3: Cross multiply
   1,519.48x = 2,096.88 × 856.30
4. Step 4: Simplify right side
   1,519.48x = 1,795,558.34
5. Step 5: Solve for x
   x = 1,795,558.34/1,519.48
6. Step 6: Final answer
   x = 1,181.69