Finding the Fourth Proportional to 133,338.45, 184,155.59 and 123,249.38

Step by Step Solution

1. Step 1: Write the proportion equation
   133,338.45 : 184,155.59 = 123,249.38 : x
2. Step 2: Convert to fraction form
   133,338.45/184,155.59 = 123,249.38/x
3. Step 3: Cross multiply
   133,338.45x = 184,155.59 × 123,249.38
4. Step 4: Simplify right side
   133,338.45x = 22,697,061,678.38
5. Step 5: Solve for x
   x = 22,697,061,678.38/133,338.45
6. Step 6: Final answer
   x = 170,221.43