Finding the Fourth Proportional to 2,007.34, 3,010.26 and 690.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.34 : 3,010.26 = 690.73 : x
2. Step 2: Convert to fraction form
   2,007.34/3,010.26 = 690.73/x
3. Step 3: Cross multiply
   2,007.34x = 3,010.26 × 690.73
4. Step 4: Simplify right side
   2,007.34x = 2,079,266.31
5. Step 5: Solve for x
   x = 2,079,266.31/2,007.34
6. Step 6: Final answer
   x = 1,035.83