Finding the Fourth Proportional to 89,489.43, 134,150.72 and 30,283.92

Step by Step Solution

1. Step 1: Write the proportion equation
   89,489.43 : 134,150.72 = 30,283.92 : x
2. Step 2: Convert to fraction form
   89,489.43/134,150.72 = 30,283.92/x
3. Step 3: Cross multiply
   89,489.43x = 134,150.72 × 30,283.92
4. Step 4: Simplify right side
   89,489.43x = 4,062,609,521.00
5. Step 5: Solve for x
   x = 4,062,609,521.00/89,489.43
6. Step 6: Final answer
   x = 45,397.65