Finding the Fourth Proportional to 89,389.50, 123,351.42 and 49,104.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,389.50 : 123,351.42 = 49,104.96 : x
2. Step 2: Convert to fraction form
   89,389.50/123,351.42 = 49,104.96/x
3. Step 3: Cross multiply
   89,389.50x = 123,351.42 × 49,104.96
4. Step 4: Simplify right side
   89,389.50x = 6,057,166,545.04
5. Step 5: Solve for x
   x = 6,057,166,545.04/89,389.50
6. Step 6: Final answer
   x = 67,761.50