Finding the Fourth Proportional to 89,443.26, 134,156.67 and 30,272.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,443.26 : 134,156.67 = 30,272.15 : x
2. Step 2: Convert to fraction form
   89,443.26/134,156.67 = 30,272.15/x
3. Step 3: Cross multiply
   89,443.26x = 134,156.67 × 30,272.15
4. Step 4: Simplify right side
   89,443.26x = 4,061,210,166.96
5. Step 5: Solve for x
   x = 4,061,210,166.96/89,443.26
6. Step 6: Final answer
   x = 45,405.44