Finding the Fourth Proportional to 89,485.94, 123,485.82 and 49,191.92

Step by Step Solution

1. Step 1: Write the proportion equation
   89,485.94 : 123,485.82 = 49,191.92 : x
2. Step 2: Convert to fraction form
   89,485.94/123,485.82 = 49,191.92/x
3. Step 3: Cross multiply
   89,485.94x = 123,485.82 × 49,191.92
4. Step 4: Simplify right side
   89,485.94x = 6,074,504,578.57
5. Step 5: Solve for x
   x = 6,074,504,578.57/89,485.94
6. Step 6: Final answer
   x = 67,882.22