Finding the Fourth Proportional to 89,930.74, 124,103.72 and 49,644.54

Step by Step Solution

1. Step 1: Write the proportion equation
   89,930.74 : 124,103.72 = 49,644.54 : x
2. Step 2: Convert to fraction form
   89,930.74/124,103.72 = 49,644.54/x
3. Step 3: Cross multiply
   89,930.74x = 124,103.72 × 49,644.54
4. Step 4: Simplify right side
   89,930.74x = 6,161,072,091.69
5. Step 5: Solve for x
   x = 6,161,072,091.69/89,930.74
6. Step 6: Final answer
   x = 68,509.08