Finding the Fourth Proportional to 1,519.34, 2,096.69 and 890.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.34 : 2,096.69 = 890.28 : x
2. Step 2: Convert to fraction form
   1,519.34/2,096.69 = 890.28/x
3. Step 3: Cross multiply
   1,519.34x = 2,096.69 × 890.28
4. Step 4: Simplify right side
   1,519.34x = 1,866,636.72
5. Step 5: Solve for x
   x = 1,866,636.72/1,519.34
6. Step 6: Final answer
   x = 1,228.59