Finding the Fourth Proportional to 2,009.30, 3,013.76 and 710.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.30 : 3,013.76 = 710.70 : x
2. Step 2: Convert to fraction form
   2,009.30/3,013.76 = 710.70/x
3. Step 3: Cross multiply
   2,009.30x = 3,013.76 × 710.70
4. Step 4: Simplify right side
   2,009.30x = 2,141,879.23
5. Step 5: Solve for x
   x = 2,141,879.23/2,009.30
6. Step 6: Final answer
   x = 1,065.98