Finding the Fourth Proportional to 300,012.09, 450,074.18 and 100,333.52

Step by Step Solution

1. Step 1: Write the proportion equation
   300,012.09 : 450,074.18 = 100,333.52 : x
2. Step 2: Convert to fraction form
   300,012.09/450,074.18 = 100,333.52/x
3. Step 3: Cross multiply
   300,012.09x = 450,074.18 × 100,333.52
4. Step 4: Simplify right side
   300,012.09x = 45,157,526,238.85
5. Step 5: Solve for x
   x = 45,157,526,238.85/300,012.09
6. Step 6: Final answer
   x = 150,519.02