Finding the Fourth Proportional to 89,414.20, 134,081.70 and 30,233.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,414.20 : 134,081.70 = 30,233.80 : x
2. Step 2: Convert to fraction form
   89,414.20/134,081.70 = 30,233.80/x
3. Step 3: Cross multiply
   89,414.20x = 134,081.70 × 30,233.80
4. Step 4: Simplify right side
   89,414.20x = 4,053,799,301.46
5. Step 5: Solve for x
   x = 4,053,799,301.46/89,414.20
6. Step 6: Final answer
   x = 45,337.31