Finding the Fourth Proportional to 300,466.18, 450,553.47 and 150,642.10

Step by Step Solution

1. Step 1: Write the proportion equation
   300,466.18 : 450,553.47 = 150,642.10 : x
2. Step 2: Convert to fraction form
   300,466.18/450,553.47 = 150,642.10/x
3. Step 3: Cross multiply
   300,466.18x = 450,553.47 × 150,642.10
4. Step 4: Simplify right side
   300,466.18x = 67,872,320,883.09
5. Step 5: Solve for x
   x = 67,872,320,883.09/300,466.18
6. Step 6: Final answer
   x = 225,890.05