Finding the Fourth Proportional to 300,705.52, 414,734.16 and 193,286.56

Step by Step Solution

1. Step 1: Write the proportion equation
   300,705.52 : 414,734.16 = 193,286.56 : x
2. Step 2: Convert to fraction form
   300,705.52/414,734.16 = 193,286.56/x
3. Step 3: Cross multiply
   300,705.52x = 414,734.16 × 193,286.56
4. Step 4: Simplify right side
   300,705.52x = 80,162,539,100.89
5. Step 5: Solve for x
   x = 80,162,539,100.89/300,705.52
6. Step 6: Final answer
   x = 266,581.53