Finding the Fourth Proportional to 89,914.89, 124,083 and 49,628.73

Step by Step Solution

1. Step 1: Write the proportion equation
   89,914.89 : 124,083 = 49,628.73 : x
2. Step 2: Convert to fraction form
   89,914.89/124,083 = 49,628.73/x
3. Step 3: Cross multiply
   89,914.89x = 124,083 × 49,628.73
4. Step 4: Simplify right side
   89,914.89x = 6,158,081,704.59
5. Step 5: Solve for x
   x = 6,158,081,704.59/89,914.89
6. Step 6: Final answer
   x = 68,487.90