Finding the Fourth Proportional to 325,355.89, 488,117.97 and 190,533.82

Step by Step Solution

1. Step 1: Write the proportion equation
   325,355.89 : 488,117.97 = 190,533.82 : x
2. Step 2: Convert to fraction form
   325,355.89/488,117.97 = 190,533.82/x
3. Step 3: Cross multiply
   325,355.89x = 488,117.97 × 190,533.82
4. Step 4: Simplify right side
   325,355.89x = 93,002,978,041.49
5. Step 5: Solve for x
   x = 93,002,978,041.49/325,355.89
6. Step 6: Final answer
   x = 285,849.99