Finding the Fourth Proportional to 124,968.86, 172,456.31 and 67,608

Step by Step Solution

1. Step 1: Write the proportion equation
   124,968.86 : 172,456.31 = 67,608 : x
2. Step 2: Convert to fraction form
   124,968.86/172,456.31 = 67,608/x
3. Step 3: Cross multiply
   124,968.86x = 172,456.31 × 67,608
4. Step 4: Simplify right side
   124,968.86x = 11,659,426,206.48
5. Step 5: Solve for x
   x = 11,659,426,206.48/124,968.86
6. Step 6: Final answer
   x = 93,298.65