Finding the Fourth Proportional to 300,503.34, 414,976.03 and 193,260.15

Step by Step Solution

1. Step 1: Write the proportion equation
   300,503.34 : 414,976.03 = 193,260.15 : x
2. Step 2: Convert to fraction form
   300,503.34/414,976.03 = 193,260.15/x
3. Step 3: Cross multiply
   300,503.34x = 414,976.03 × 193,260.15
4. Step 4: Simplify right side
   300,503.34x = 80,198,329,321.05
5. Step 5: Solve for x
   x = 80,198,329,321.05/300,503.34
6. Step 6: Final answer
   x = 266,879.99