Finding the Fourth Proportional to 3,972.26, 5,928.96 and 3,505.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,972.26 : 5,928.96 = 3,505.25 : x
2. Step 2: Convert to fraction form
   3,972.26/5,928.96 = 3,505.25/x
3. Step 3: Cross multiply
   3,972.26x = 5,928.96 × 3,505.25
4. Step 4: Simplify right side
   3,972.26x = 20,782,487.04
5. Step 5: Solve for x
   x = 20,782,487.04/3,972.26
6. Step 6: Final answer
   x = 5,231.91