Finding the Fourth Proportional to 2,009.25, 3,015.18 and 710.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.25 : 3,015.18 = 710.71 : x
2. Step 2: Convert to fraction form
   2,009.25/3,015.18 = 710.71/x
3. Step 3: Cross multiply
   2,009.25x = 3,015.18 × 710.71
4. Step 4: Simplify right side
   2,009.25x = 2,142,918.58
5. Step 5: Solve for x
   x = 2,142,918.58/2,009.25
6. Step 6: Final answer
   x = 1,066.53