Finding the Fourth Proportional to 123,921.74, 184,850.38 and 111,962.90

Step by Step Solution

1. Step 1: Write the proportion equation
   123,921.74 : 184,850.38 = 111,962.90 : x
2. Step 2: Convert to fraction form
   123,921.74/184,850.38 = 111,962.90/x
3. Step 3: Cross multiply
   123,921.74x = 184,850.38 × 111,962.90
4. Step 4: Simplify right side
   123,921.74x = 20,696,384,610.90
5. Step 5: Solve for x
   x = 20,696,384,610.90/123,921.74
6. Step 6: Final answer
   x = 167,011.73