Finding the Fourth Proportional to 89,436.36, 123,269.94 and 61,092.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,436.36 : 123,269.94 = 61,092.84 : x
2. Step 2: Convert to fraction form
   89,436.36/123,269.94 = 61,092.84/x
3. Step 3: Cross multiply
   89,436.36x = 123,269.94 × 61,092.84
4. Step 4: Simplify right side
   89,436.36x = 7,530,910,721.23
5. Step 5: Solve for x
   x = 7,530,910,721.23/89,436.36
6. Step 6: Final answer
   x = 84,204.13