Finding the Fourth Proportional to 12,441.37, 17,145.24 and 7,957.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,441.37 : 17,145.24 = 7,957.31 : x
2. Step 2: Convert to fraction form
   12,441.37/17,145.24 = 7,957.31/x
3. Step 3: Cross multiply
   12,441.37x = 17,145.24 × 7,957.31
4. Step 4: Simplify right side
   12,441.37x = 136,429,989.70
5. Step 5: Solve for x
   x = 136,429,989.70/12,441.37
6. Step 6: Final answer
   x = 10,965.83