Finding the Fourth Proportional to 89,456.41, 123,443.62 and 49,169.17

Step by Step Solution

1. Step 1: Write the proportion equation
   89,456.41 : 123,443.62 = 49,169.17 : x
2. Step 2: Convert to fraction form
   89,456.41/123,443.62 = 49,169.17/x
3. Step 3: Cross multiply
   89,456.41x = 123,443.62 × 49,169.17
4. Step 4: Simplify right side
   89,456.41x = 6,069,620,337.20
5. Step 5: Solve for x
   x = 6,069,620,337.20/89,456.41
6. Step 6: Final answer
   x = 67,850.03