Finding the Fourth Proportional to 1,519.62, 2,096.56 and 1,239.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.62 : 2,096.56 = 1,239.37 : x
2. Step 2: Convert to fraction form
   1,519.62/2,096.56 = 1,239.37/x
3. Step 3: Cross multiply
   1,519.62x = 2,096.56 × 1,239.37
4. Step 4: Simplify right side
   1,519.62x = 2,598,409.88
5. Step 5: Solve for x
   x = 2,598,409.88/1,519.62
6. Step 6: Final answer
   x = 1,709.91