Finding the Fourth Proportional to 89,450.72, 134,193.09 and 30,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,450.72 : 134,193.09 = 30,270.50 : x
2. Step 2: Convert to fraction form
   89,450.72/134,193.09 = 30,270.50/x
3. Step 3: Cross multiply
   89,450.72x = 134,193.09 × 30,270.50
4. Step 4: Simplify right side
   89,450.72x = 4,062,091,930.85
5. Step 5: Solve for x
   x = 4,062,091,930.85/89,450.72
6. Step 6: Final answer
   x = 45,411.51