Finding the Fourth Proportional to 229,401.56, 344,124.30 and 89,171.12

Step by Step Solution

1. Step 1: Write the proportion equation
   229,401.56 : 344,124.30 = 89,171.12 : x
2. Step 2: Convert to fraction form
   229,401.56/344,124.30 = 89,171.12/x
3. Step 3: Cross multiply
   229,401.56x = 344,124.30 × 89,171.12
4. Step 4: Simplify right side
   229,401.56x = 30,685,949,250.22
5. Step 5: Solve for x
   x = 30,685,949,250.22/229,401.56
6. Step 6: Final answer
   x = 133,765.22