Finding the Fourth Proportional to 3,540.26, 5,311.52 and 1,075.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,540.26 : 5,311.52 = 1,075.32 : x
2. Step 2: Convert to fraction form
   3,540.26/5,311.52 = 1,075.32/x
3. Step 3: Cross multiply
   3,540.26x = 5,311.52 × 1,075.32
4. Step 4: Simplify right side
   3,540.26x = 5,711,583.69
5. Step 5: Solve for x
   x = 5,711,583.69/3,540.26
6. Step 6: Final answer
   x = 1,613.32