Finding the Fourth Proportional to 124,656.73, 173,187.63 and 123,162.05

Step by Step Solution

1. Step 1: Write the proportion equation
   124,656.73 : 173,187.63 = 123,162.05 : x
2. Step 2: Convert to fraction form
   124,656.73/173,187.63 = 123,162.05/x
3. Step 3: Cross multiply
   124,656.73x = 173,187.63 × 123,162.05
4. Step 4: Simplify right side
   124,656.73x = 21,330,144,007.30
5. Step 5: Solve for x
   x = 21,330,144,007.30/124,656.73
6. Step 6: Final answer
   x = 171,111.06