Finding the Fourth Proportional to 123,072.12, 184,662.45 and 117,757.62

Step by Step Solution

1. Step 1: Write the proportion equation
   123,072.12 : 184,662.45 = 117,757.62 : x
2. Step 2: Convert to fraction form
   123,072.12/184,662.45 = 117,757.62/x
3. Step 3: Cross multiply
   123,072.12x = 184,662.45 × 117,757.62
4. Step 4: Simplify right side
   123,072.12x = 21,745,410,615.37
5. Step 5: Solve for x
   x = 21,745,410,615.37/123,072.12
6. Step 6: Final answer
   x = 176,688.36