Finding the Fourth Proportional to 89,369.98, 123,331.95 and 49,085.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,369.98 : 123,331.95 = 49,085.38 : x
2. Step 2: Convert to fraction form
   89,369.98/123,331.95 = 49,085.38/x
3. Step 3: Cross multiply
   89,369.98x = 123,331.95 × 49,085.38
4. Step 4: Simplify right side
   89,369.98x = 6,053,795,631.89
5. Step 5: Solve for x
   x = 6,053,795,631.89/89,369.98
6. Step 6: Final answer
   x = 67,738.58