Finding the Fourth Proportional to 483,142.56, 724,575.60 and 150,629.28

Step by Step Solution

1. Step 1: Write the proportion equation
   483,142.56 : 724,575.60 = 150,629.28 : x
2. Step 2: Convert to fraction form
   483,142.56/724,575.60 = 150,629.28/x
3. Step 3: Cross multiply
   483,142.56x = 724,575.60 × 150,629.28
4. Step 4: Simplify right side
   483,142.56x = 109,142,300,933.57
5. Step 5: Solve for x
   x = 109,142,300,933.57/483,142.56
6. Step 6: Final answer
   x = 225,900.82