Finding the Fourth Proportional to 303,665.05, 455,774.04 and 161,629.63

Step by Step Solution

1. Step 1: Write the proportion equation
   303,665.05 : 455,774.04 = 161,629.63 : x
2. Step 2: Convert to fraction form
   303,665.05/455,774.04 = 161,629.63/x
3. Step 3: Cross multiply
   303,665.05x = 455,774.04 × 161,629.63
4. Step 4: Simplify right side
   303,665.05x = 73,666,588,309.37
5. Step 5: Solve for x
   x = 73,666,588,309.37/303,665.05
6. Step 6: Final answer
   x = 242,591.59