Finding the Fourth Proportional to 303,410.52, 454,615.67 and 272,123.49

Step by Step Solution

1. Step 1: Write the proportion equation
   303,410.52 : 454,615.67 = 272,123.49 : x
2. Step 2: Convert to fraction form
   303,410.52/454,615.67 = 272,123.49/x
3. Step 3: Cross multiply
   303,410.52x = 454,615.67 × 272,123.49
4. Step 4: Simplify right side
   303,410.52x = 123,711,603,359.53
5. Step 5: Solve for x
   x = 123,711,603,359.53/303,410.52
6. Step 6: Final answer
   x = 407,736.70