Finding the Fourth Proportional to 300,335.61, 414,464.31 and 192,906.57

Step by Step Solution

1. Step 1: Write the proportion equation
   300,335.61 : 414,464.31 = 192,906.57 : x
2. Step 2: Convert to fraction form
   300,335.61/414,464.31 = 192,906.57/x
3. Step 3: Cross multiply
   300,335.61x = 414,464.31 × 192,906.57
4. Step 4: Simplify right side
   300,335.61x = 79,952,888,429.52
5. Step 5: Solve for x
   x = 79,952,888,429.52/300,335.61
6. Step 6: Final answer
   x = 266,211.82