Finding the Fourth Proportional to 250,459.92, 375,676.52 and 81,958.86

Step by Step Solution

1. Step 1: Write the proportion equation
   250,459.92 : 375,676.52 = 81,958.86 : x
2. Step 2: Convert to fraction form
   250,459.92/375,676.52 = 81,958.86/x
3. Step 3: Cross multiply
   250,459.92x = 375,676.52 × 81,958.86
4. Step 4: Simplify right side
   250,459.92x = 30,790,018,898.17
5. Step 5: Solve for x
   x = 30,790,018,898.17/250,459.92
6. Step 6: Final answer
   x = 122,933.92