Finding the Fourth Proportional to 89,491.34, 134,153.17 and 30,285.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,491.34 : 134,153.17 = 30,285.56 : x
2. Step 2: Convert to fraction form
   89,491.34/134,153.17 = 30,285.56/x
3. Step 3: Cross multiply
   89,491.34x = 134,153.17 × 30,285.56
4. Step 4: Simplify right side
   89,491.34x = 4,062,903,879.23
5. Step 5: Solve for x
   x = 4,062,903,879.23/89,491.34
6. Step 6: Final answer
   x = 45,399.97