Finding the Fourth Proportional to 2,171.14, 3,256.41 and 710.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.14 : 3,256.41 = 710.31 : x
2. Step 2: Convert to fraction form
   2,171.14/3,256.41 = 710.31/x
3. Step 3: Cross multiply
   2,171.14x = 3,256.41 × 710.31
4. Step 4: Simplify right side
   2,171.14x = 2,313,060.59
5. Step 5: Solve for x
   x = 2,313,060.59/2,171.14
6. Step 6: Final answer
   x = 1,065.37