Finding the Fourth Proportional to 2,171.51, 3,257.56 and 710.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.51 : 3,257.56 = 710.37 : x
2. Step 2: Convert to fraction form
   2,171.51/3,257.56 = 710.37/x
3. Step 3: Cross multiply
   2,171.51x = 3,257.56 × 710.37
4. Step 4: Simplify right side
   2,171.51x = 2,314,056.61
5. Step 5: Solve for x
   x = 2,314,056.61/2,171.51
6. Step 6: Final answer
   x = 1,065.65