Finding the Fourth Proportional to 89,456.42, 134,132.78 and 36,806.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,456.42 : 134,132.78 = 36,806.42 : x
2. Step 2: Convert to fraction form
   89,456.42/134,132.78 = 36,806.42/x
3. Step 3: Cross multiply
   89,456.42x = 134,132.78 × 36,806.42
4. Step 4: Simplify right side
   89,456.42x = 4,936,947,436.45
5. Step 5: Solve for x
   x = 4,936,947,436.45/89,456.42
6. Step 6: Final answer
   x = 55,188.30