Finding the Fourth Proportional to 234,139.39, 323,112.33 and 126,709.42

Step by Step Solution

1. Step 1: Write the proportion equation
   234,139.39 : 323,112.33 = 126,709.42 : x
2. Step 2: Convert to fraction form
   234,139.39/323,112.33 = 126,709.42/x
3. Step 3: Cross multiply
   234,139.39x = 323,112.33 × 126,709.42
4. Step 4: Simplify right side
   234,139.39x = 40,941,375,929.15
5. Step 5: Solve for x
   x = 40,941,375,929.15/234,139.39
6. Step 6: Final answer
   x = 174,858.98