Finding the Fourth Proportional to 89,234.34, 133,863.84 and 30,086.91

Step by Step Solution

1. Step 1: Write the proportion equation
   89,234.34 : 133,863.84 = 30,086.91 : x
2. Step 2: Convert to fraction form
   89,234.34/133,863.84 = 30,086.91/x
3. Step 3: Cross multiply
   89,234.34x = 133,863.84 × 30,086.91
4. Step 4: Simplify right side
   89,234.34x = 4,027,549,306.33
5. Step 5: Solve for x
   x = 4,027,549,306.33/89,234.34
6. Step 6: Final answer
   x = 45,134.52