Finding the Fourth Proportional to 2,009.30, 3,012.06 and 710.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.30 : 3,012.06 = 710.06 : x
2. Step 2: Convert to fraction form
   2,009.30/3,012.06 = 710.06/x
3. Step 3: Cross multiply
   2,009.30x = 3,012.06 × 710.06
4. Step 4: Simplify right side
   2,009.30x = 2,138,743.32
5. Step 5: Solve for x
   x = 2,138,743.32/2,009.30
6. Step 6: Final answer
   x = 1,064.42