Finding the Fourth Proportional to 89,137, 123,016.74 and 49,400.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,137 : 123,016.74 = 49,400.68 : x
2. Step 2: Convert to fraction form
   89,137/123,016.74 = 49,400.68/x
3. Step 3: Cross multiply
   89,137x = 123,016.74 × 49,400.68
4. Step 4: Simplify right side
   89,137x = 6,077,110,607.38
5. Step 5: Solve for x
   x = 6,077,110,607.38/89,137
6. Step 6: Final answer
   x = 68,177.19