Finding the Fourth Proportional to 150,315.48, 225,333.72 and 55,493.28

Step by Step Solution

1. Step 1: Write the proportion equation
   150,315.48 : 225,333.72 = 55,493.28 : x
2. Step 2: Convert to fraction form
   150,315.48/225,333.72 = 55,493.28/x
3. Step 3: Cross multiply
   150,315.48x = 225,333.72 × 55,493.28
4. Step 4: Simplify right side
   150,315.48x = 12,504,507,217.40
5. Step 5: Solve for x
   x = 12,504,507,217.40/150,315.48
6. Step 6: Final answer
   x = 83,188.42