Finding the Fourth Proportional to 461,339.96, 636,910.71 and 300,114.32

Step by Step Solution

1. Step 1: Write the proportion equation
   461,339.96 : 636,910.71 = 300,114.32 : x
2. Step 2: Convert to fraction form
   461,339.96/636,910.71 = 300,114.32/x
3. Step 3: Cross multiply
   461,339.96x = 636,910.71 × 300,114.32
4. Step 4: Simplify right side
   461,339.96x = 191,146,024,632.37
5. Step 5: Solve for x
   x = 191,146,024,632.37/461,339.96
6. Step 6: Final answer
   x = 414,327.92