Finding the Fourth Proportional to 2,009.38, 3,012.18 and 709.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.38 : 3,012.18 = 709.96 : x
2. Step 2: Convert to fraction form
   2,009.38/3,012.18 = 709.96/x
3. Step 3: Cross multiply
   2,009.38x = 3,012.18 × 709.96
4. Step 4: Simplify right side
   2,009.38x = 2,138,527.31
5. Step 5: Solve for x
   x = 2,138,527.31/2,009.38
6. Step 6: Final answer
   x = 1,064.27