Finding the Fourth Proportional to 108,714.46, 150,027.48 and 65,687.98

Step by Step Solution

1. Step 1: Write the proportion equation
   108,714.46 : 150,027.48 = 65,687.98 : x
2. Step 2: Convert to fraction form
   108,714.46/150,027.48 = 65,687.98/x
3. Step 3: Cross multiply
   108,714.46x = 150,027.48 × 65,687.98
4. Step 4: Simplify right side
   108,714.46x = 9,855,002,105.69
5. Step 5: Solve for x
   x = 9,855,002,105.69/108,714.46
6. Step 6: Final answer
   x = 90,650.33