Finding the Fourth Proportional to 89,453.94, 123,447.70 and 49,171.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,453.94 : 123,447.70 = 49,171.42 : x
2. Step 2: Convert to fraction form
   89,453.94/123,447.70 = 49,171.42/x
3. Step 3: Cross multiply
   89,453.94x = 123,447.70 × 49,171.42
4. Step 4: Simplify right side
   89,453.94x = 6,070,098,704.73
5. Step 5: Solve for x
   x = 6,070,098,704.73/89,453.94
6. Step 6: Final answer
   x = 67,857.25