Finding the Fourth Proportional to 89,661.82, 134,453.82 and 30,481.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,661.82 : 134,453.82 = 30,481.60 : x
2. Step 2: Convert to fraction form
   89,661.82/134,453.82 = 30,481.60/x
3. Step 3: Cross multiply
   89,661.82x = 134,453.82 × 30,481.60
4. Step 4: Simplify right side
   89,661.82x = 4,098,367,559.71
5. Step 5: Solve for x
   x = 4,098,367,559.71/89,661.82
6. Step 6: Final answer
   x = 45,709.17