Finding the Fourth Proportional to 124,355.50, 171,610.59 and 67,766.89

Step by Step Solution

1. Step 1: Write the proportion equation
   124,355.50 : 171,610.59 = 67,766.89 : x
2. Step 2: Convert to fraction form
   124,355.50/171,610.59 = 67,766.89/x
3. Step 3: Cross multiply
   124,355.50x = 171,610.59 × 67,766.89
4. Step 4: Simplify right side
   124,355.50x = 11,629,515,975.37
5. Step 5: Solve for x
   x = 11,629,515,975.37/124,355.50
6. Step 6: Final answer
   x = 93,518.31