Finding the Fourth Proportional to 2,010.23, 3,015.64 and 711.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.23 : 3,015.64 = 711.59 : x
2. Step 2: Convert to fraction form
   2,010.23/3,015.64 = 711.59/x
3. Step 3: Cross multiply
   2,010.23x = 3,015.64 × 711.59
4. Step 4: Simplify right side
   2,010.23x = 2,145,899.27
5. Step 5: Solve for x
   x = 2,145,899.27/2,010.23
6. Step 6: Final answer
   x = 1,067.49