Finding the Fourth Proportional to 89,174.92, 123,074.10 and 55,194.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,174.92 : 123,074.10 = 55,194.34 : x
2. Step 2: Convert to fraction form
   89,174.92/123,074.10 = 55,194.34/x
3. Step 3: Cross multiply
   89,174.92x = 123,074.10 × 55,194.34
4. Step 4: Simplify right side
   89,174.92x = 6,792,993,720.59
5. Step 5: Solve for x
   x = 6,792,993,720.59/89,174.92
6. Step 6: Final answer
   x = 76,176.06