Finding the Fourth Proportional to 89,606.36, 134,429.60 and 27,281.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,606.36 : 134,429.60 = 27,281.72 : x
2. Step 2: Convert to fraction form
   89,606.36/134,429.60 = 27,281.72/x
3. Step 3: Cross multiply
   89,606.36x = 134,429.60 × 27,281.72
4. Step 4: Simplify right side
   89,606.36x = 3,667,470,706.91
5. Step 5: Solve for x
   x = 3,667,470,706.91/89,606.36
6. Step 6: Final answer
   x = 40,928.69