Finding the Fourth Proportional to 89,480.25, 123,479.59 and 49,193.73

Step by Step Solution

1. Step 1: Write the proportion equation
   89,480.25 : 123,479.59 = 49,193.73 : x
2. Step 2: Convert to fraction form
   89,480.25/123,479.59 = 49,193.73/x
3. Step 3: Cross multiply
   89,480.25x = 123,479.59 × 49,193.73
4. Step 4: Simplify right side
   89,480.25x = 6,074,421,610.97
5. Step 5: Solve for x
   x = 6,074,421,610.97/89,480.25
6. Step 6: Final answer
   x = 67,885.61