Finding the Fourth Proportional to 229,969.34, 317,357.61 and 129,367.34

Step by Step Solution

1. Step 1: Write the proportion equation
   229,969.34 : 317,357.61 = 129,367.34 : x
2. Step 2: Convert to fraction form
   229,969.34/317,357.61 = 129,367.34/x
3. Step 3: Cross multiply
   229,969.34x = 317,357.61 × 129,367.34
4. Step 4: Simplify right side
   229,969.34x = 41,055,709,834.46
5. Step 5: Solve for x
   x = 41,055,709,834.46/229,969.34
6. Step 6: Final answer
   x = 178,526.88