Finding the Fourth Proportional to 89,165.15, 123,016.38 and 50,897.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,165.15 : 123,016.38 = 50,897.09 : x
2. Step 2: Convert to fraction form
   89,165.15/123,016.38 = 50,897.09/x
3. Step 3: Cross multiply
   89,165.15x = 123,016.38 × 50,897.09
4. Step 4: Simplify right side
   89,165.15x = 6,261,175,149.25
5. Step 5: Solve for x
   x = 6,261,175,149.25/89,165.15
6. Step 6: Final answer
   x = 70,219.99