Finding the Fourth Proportional to 2,007, 3,010.47 and 708.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007 : 3,010.47 = 708.15 : x
2. Step 2: Convert to fraction form
   2,007/3,010.47 = 708.15/x
3. Step 3: Cross multiply
   2,007x = 3,010.47 × 708.15
4. Step 4: Simplify right side
   2,007x = 2,131,864.33
5. Step 5: Solve for x
   x = 2,131,864.33/2,007
6. Step 6: Final answer
   x = 1,062.21