Finding the Fourth Proportional to 263,667.21, 395,419.98 and 95,166.96

Step by Step Solution

1. Step 1: Write the proportion equation
   263,667.21 : 395,419.98 = 95,166.96 : x
2. Step 2: Convert to fraction form
   263,667.21/395,419.98 = 95,166.96/x
3. Step 3: Cross multiply
   263,667.21x = 395,419.98 × 95,166.96
4. Step 4: Simplify right side
   263,667.21x = 37,630,917,419.86
5. Step 5: Solve for x
   x = 37,630,917,419.86/263,667.21
6. Step 6: Final answer
   x = 142,721.26