Finding the Fourth Proportional to 3,505.26, 5,250.60 and 2,567.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,505.26 : 5,250.60 = 2,567.55 : x
2. Step 2: Convert to fraction form
   3,505.26/5,250.60 = 2,567.55/x
3. Step 3: Cross multiply
   3,505.26x = 5,250.60 × 2,567.55
4. Step 4: Simplify right side
   3,505.26x = 13,481,178.03
5. Step 5: Solve for x
   x = 13,481,178.03/3,505.26
6. Step 6: Final answer
   x = 3,845.99