Finding the Fourth Proportional to 303,635.50, 419,017 and 169,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,635.50 : 419,017 = 169,499.50 : x
2. Step 2: Convert to fraction form
   303,635.50/419,017 = 169,499.50/x
3. Step 3: Cross multiply
   303,635.50x = 419,017 × 169,499.50
4. Step 4: Simplify right side
   303,635.50x = 71,023,171,991.50
5. Step 5: Solve for x
   x = 71,023,171,991.50/303,635.50
6. Step 6: Final answer
   x = 233,909.32