Finding the Fourth Proportional to 89,428.52, 134,059.38 and 30,222.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,428.52 : 134,059.38 = 30,222.78 : x
2. Step 2: Convert to fraction form
   89,428.52/134,059.38 = 30,222.78/x
3. Step 3: Cross multiply
   89,428.52x = 134,059.38 × 30,222.78
4. Step 4: Simplify right side
   89,428.52x = 4,051,647,148.68
5. Step 5: Solve for x
   x = 4,051,647,148.68/89,428.52
6. Step 6: Final answer
   x = 45,305.99