Finding the Fourth Proportional to 2,175.30, 3,260.55 and 713.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.30 : 3,260.55 = 713.37 : x
2. Step 2: Convert to fraction form
   2,175.30/3,260.55 = 713.37/x
3. Step 3: Cross multiply
   2,175.30x = 3,260.55 × 713.37
4. Step 4: Simplify right side
   2,175.30x = 2,325,978.55
5. Step 5: Solve for x
   x = 2,325,978.55/2,175.30
6. Step 6: Final answer
   x = 1,069.27