Finding the Fourth Proportional to 322,535.72, 483,196.69 and 189,019.37

Step by Step Solution

1. Step 1: Write the proportion equation
   322,535.72 : 483,196.69 = 189,019.37 : x
2. Step 2: Convert to fraction form
   322,535.72/483,196.69 = 189,019.37/x
3. Step 3: Cross multiply
   322,535.72x = 483,196.69 × 189,019.37
4. Step 4: Simplify right side
   322,535.72x = 91,333,533,929.89
5. Step 5: Solve for x
   x = 91,333,533,929.89/322,535.72
6. Step 6: Final answer
   x = 283,173.39