Finding the Fourth Proportional to 89,646.79, 134,443.44 and 30,469

Step by Step Solution

1. Step 1: Write the proportion equation
   89,646.79 : 134,443.44 = 30,469 : x
2. Step 2: Convert to fraction form
   89,646.79/134,443.44 = 30,469/x
3. Step 3: Cross multiply
   89,646.79x = 134,443.44 × 30,469
4. Step 4: Simplify right side
   89,646.79x = 4,096,357,173.36
5. Step 5: Solve for x
   x = 4,096,357,173.36/89,646.79
6. Step 6: Final answer
   x = 45,694.41