Finding the Fourth Proportional to 5,355.69, 8,037.72 and 3,506.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,355.69 : 8,037.72 = 3,506.31 : x
2. Step 2: Convert to fraction form
   5,355.69/8,037.72 = 3,506.31/x
3. Step 3: Cross multiply
   5,355.69x = 8,037.72 × 3,506.31
4. Step 4: Simplify right side
   5,355.69x = 28,182,738.01
5. Step 5: Solve for x
   x = 28,182,738.01/5,355.69
6. Step 6: Final answer
   x = 5,262.20