Finding the Fourth Proportional to 2,010.07, 3,015.69 and 711.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.07 : 3,015.69 = 711.52 : x
2. Step 2: Convert to fraction form
   2,010.07/3,015.69 = 711.52/x
3. Step 3: Cross multiply
   2,010.07x = 3,015.69 × 711.52
4. Step 4: Simplify right side
   2,010.07x = 2,145,723.75
5. Step 5: Solve for x
   x = 2,145,723.75/2,010.07
6. Step 6: Final answer
   x = 1,067.49