Finding the Fourth Proportional to 89,016.89, 122,840.24 and 50,788.82

Step by Step Solution

1. Step 1: Write the proportion equation
   89,016.89 : 122,840.24 = 50,788.82 : x
2. Step 2: Convert to fraction form
   89,016.89/122,840.24 = 50,788.82/x
3. Step 3: Cross multiply
   89,016.89x = 122,840.24 × 50,788.82
4. Step 4: Simplify right side
   89,016.89x = 6,238,909,969.97
5. Step 5: Solve for x
   x = 6,238,909,969.97/89,016.89
6. Step 6: Final answer
   x = 70,086.82