Finding the Fourth Proportional to 3,770.24, 5,200.31 and 2,589.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,770.24 : 5,200.31 = 2,589.26 : x
2. Step 2: Convert to fraction form
   3,770.24/5,200.31 = 2,589.26/x
3. Step 3: Cross multiply
   3,770.24x = 5,200.31 × 2,589.26
4. Step 4: Simplify right side
   3,770.24x = 13,464,915.72
5. Step 5: Solve for x
   x = 13,464,915.72/3,770.24
6. Step 6: Final answer
   x = 3,571.37