Finding the Fourth Proportional to 300,649.98, 450,648.89 and 150,528.23

Step by Step Solution

1. Step 1: Write the proportion equation
   300,649.98 : 450,648.89 = 150,528.23 : x
2. Step 2: Convert to fraction form
   300,649.98/450,648.89 = 150,528.23/x
3. Step 3: Cross multiply
   300,649.98x = 450,648.89 × 150,528.23
4. Step 4: Simplify right side
   300,649.98x = 67,835,376,757.28
5. Step 5: Solve for x
   x = 67,835,376,757.28/300,649.98
6. Step 6: Final answer
   x = 225,629.07