Finding the Fourth Proportional to 331,019.78, 496,140.86 and 153,151.07

Step by Step Solution

1. Step 1: Write the proportion equation
   331,019.78 : 496,140.86 = 153,151.07 : x
2. Step 2: Convert to fraction form
   331,019.78/496,140.86 = 153,151.07/x
3. Step 3: Cross multiply
   331,019.78x = 496,140.86 × 153,151.07
4. Step 4: Simplify right side
   331,019.78x = 75,984,501,481.89
5. Step 5: Solve for x
   x = 75,984,501,481.89/331,019.78
6. Step 6: Final answer
   x = 229,546.71