Finding the Fourth Proportional to 300,895.98, 415,221.03 and 173,563.98

Step by Step Solution

1. Step 1: Write the proportion equation
   300,895.98 : 415,221.03 = 173,563.98 : x
2. Step 2: Convert to fraction form
   300,895.98/415,221.03 = 173,563.98/x
3. Step 3: Cross multiply
   300,895.98x = 415,221.03 × 173,563.98
4. Step 4: Simplify right side
   300,895.98x = 72,067,414,546.50
5. Step 5: Solve for x
   x = 72,067,414,546.50/300,895.98
6. Step 6: Final answer
   x = 239,509.40