Finding the Fourth Proportional to 300,561.82, 414,813.69 and 173,238.32

Step by Step Solution

1. Step 1: Write the proportion equation
   300,561.82 : 414,813.69 = 173,238.32 : x
2. Step 2: Convert to fraction form
   300,561.82/414,813.69 = 173,238.32/x
3. Step 3: Cross multiply
   300,561.82x = 414,813.69 × 173,238.32
4. Step 4: Simplify right side
   300,561.82x = 71,861,627,805.64
5. Step 5: Solve for x
   x = 71,861,627,805.64/300,561.82
6. Step 6: Final answer
   x = 239,091.01