Finding the Fourth Proportional to 261,322.72, 391,982.62 and 95,110.72

Step by Step Solution

1. Step 1: Write the proportion equation
   261,322.72 : 391,982.62 = 95,110.72 : x
2. Step 2: Convert to fraction form
   261,322.72/391,982.62 = 95,110.72/x
3. Step 3: Cross multiply
   261,322.72x = 391,982.62 × 95,110.72
4. Step 4: Simplify right side
   261,322.72x = 37,281,749,215.69
5. Step 5: Solve for x
   x = 37,281,749,215.69/261,322.72
6. Step 6: Final answer
   x = 142,665.55