Finding the Fourth Proportional to 225,401.49, 311,057.88 and 123,425.33

Step by Step Solution

1. Step 1: Write the proportion equation
   225,401.49 : 311,057.88 = 123,425.33 : x
2. Step 2: Convert to fraction form
   225,401.49/311,057.88 = 123,425.33/x
3. Step 3: Cross multiply
   225,401.49x = 311,057.88 × 123,425.33
4. Step 4: Simplify right side
   225,401.49x = 38,392,419,932.81
5. Step 5: Solve for x
   x = 38,392,419,932.81/225,401.49
6. Step 6: Final answer
   x = 170,329.04