Finding the Fourth Proportional to 394,014.83, 591,105.27 and 127,754.58

Step by Step Solution

1. Step 1: Write the proportion equation
   394,014.83 : 591,105.27 = 127,754.58 : x
2. Step 2: Convert to fraction form
   394,014.83/591,105.27 = 127,754.58/x
3. Step 3: Cross multiply
   394,014.83x = 591,105.27 × 127,754.58
4. Step 4: Simplify right side
   394,014.83x = 75,516,401,910.34
5. Step 5: Solve for x
   x = 75,516,401,910.34/394,014.83
6. Step 6: Final answer
   x = 191,658.78