Finding the Fourth Proportional to 2,007.56, 3,010.56 and 691.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.56 : 3,010.56 = 691.06 : x
2. Step 2: Convert to fraction form
   2,007.56/3,010.56 = 691.06/x
3. Step 3: Cross multiply
   2,007.56x = 3,010.56 × 691.06
4. Step 4: Simplify right side
   2,007.56x = 2,080,478.77
5. Step 5: Solve for x
   x = 2,080,478.77/2,007.56
6. Step 6: Final answer
   x = 1,036.32