Finding the Fourth Proportional to 300,607.69, 450,933.42 and 100,926.40

Step by Step Solution

1. Step 1: Write the proportion equation
   300,607.69 : 450,933.42 = 100,926.40 : x
2. Step 2: Convert to fraction form
   300,607.69/450,933.42 = 100,926.40/x
3. Step 3: Cross multiply
   300,607.69x = 450,933.42 × 100,926.40
4. Step 4: Simplify right side
   300,607.69x = 45,511,084,465.62
5. Step 5: Solve for x
   x = 45,511,084,465.62/300,607.69
6. Step 6: Final answer
   x = 151,396.94