Finding the Fourth Proportional to 234,419.31, 323,498.34 and 126,989.82

Step by Step Solution

1. Step 1: Write the proportion equation
   234,419.31 : 323,498.34 = 126,989.82 : x
2. Step 2: Convert to fraction form
   234,419.31/323,498.34 = 126,989.82/x
3. Step 3: Cross multiply
   234,419.31x = 323,498.34 × 126,989.82
4. Step 4: Simplify right side
   234,419.31x = 41,080,995,966.90
5. Step 5: Solve for x
   x = 41,080,995,966.90/234,419.31
6. Step 6: Final answer
   x = 175,245.78