Finding the Fourth Proportional to 234,128.89, 323,097.86 and 126,698.92

Step by Step Solution

1. Step 1: Write the proportion equation
   234,128.89 : 323,097.86 = 126,698.92 : x
2. Step 2: Convert to fraction form
   234,128.89/323,097.86 = 126,698.92/x
3. Step 3: Cross multiply
   234,128.89x = 323,097.86 × 126,698.92
4. Step 4: Simplify right side
   234,128.89x = 40,936,149,425.31
5. Step 5: Solve for x
   x = 40,936,149,425.31/234,128.89
6. Step 6: Final answer
   x = 174,844.50