Finding the Fourth Proportional to 9,155.52, 13,725.18 and 3,958.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.52 : 13,725.18 = 3,958.56 : x
2. Step 2: Convert to fraction form
   9,155.52/13,725.18 = 3,958.56/x
3. Step 3: Cross multiply
   9,155.52x = 13,725.18 × 3,958.56
4. Step 4: Simplify right side
   9,155.52x = 54,331,948.54
5. Step 5: Solve for x
   x = 54,331,948.54/9,155.52
6. Step 6: Final answer
   x = 5,934.34