Finding the Fourth Proportional to 229,511.29, 344,134.50 and 89,105.89

Step by Step Solution

1. Step 1: Write the proportion equation
   229,511.29 : 344,134.50 = 89,105.89 : x
2. Step 2: Convert to fraction form
   229,511.29/344,134.50 = 89,105.89/x
3. Step 3: Cross multiply
   229,511.29x = 344,134.50 × 89,105.89
4. Step 4: Simplify right side
   229,511.29x = 30,664,410,902.21
5. Step 5: Solve for x
   x = 30,664,410,902.21/229,511.29
6. Step 6: Final answer
   x = 133,607.42