Finding the Fourth Proportional to 1,519.31, 2,096.70 and 889.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519.31 : 2,096.70 = 889.89 : x
2. Step 2: Convert to fraction form
   1,519.31/2,096.70 = 889.89/x
3. Step 3: Cross multiply
   1,519.31x = 2,096.70 × 889.89
4. Step 4: Simplify right side
   1,519.31x = 1,865,827.91
5. Step 5: Solve for x
   x = 1,865,827.91/1,519.31
6. Step 6: Final answer
   x = 1,228.08