Finding the Fourth Proportional to 2,076.44, 3,113.90 and 689.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.44 : 3,113.90 = 689.52 : x
2. Step 2: Convert to fraction form
   2,076.44/3,113.90 = 689.52/x
3. Step 3: Cross multiply
   2,076.44x = 3,113.90 × 689.52
4. Step 4: Simplify right side
   2,076.44x = 2,147,096.33
5. Step 5: Solve for x
   x = 2,147,096.33/2,076.44
6. Step 6: Final answer
   x = 1,034.03