Finding the Fourth Proportional to 89,474.68, 134,128.59 and 30,269.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,474.68 : 134,128.59 = 30,269.15 : x
2. Step 2: Convert to fraction form
   89,474.68/134,128.59 = 30,269.15/x
3. Step 3: Cross multiply
   89,474.68x = 134,128.59 × 30,269.15
4. Step 4: Simplify right side
   89,474.68x = 4,059,958,410.00
5. Step 5: Solve for x
   x = 4,059,958,410.00/89,474.68
6. Step 6: Final answer
   x = 45,375.50