Finding the Fourth Proportional to 9,155.25, 13,724.73 and 3,310.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.25 : 13,724.73 = 3,310.56 : x
2. Step 2: Convert to fraction form
   9,155.25/13,724.73 = 3,310.56/x
3. Step 3: Cross multiply
   9,155.25x = 13,724.73 × 3,310.56
4. Step 4: Simplify right side
   9,155.25x = 45,436,542.15
5. Step 5: Solve for x
   x = 45,436,542.15/9,155.25
6. Step 6: Final answer
   x = 4,962.89