Finding the Fourth Proportional to 110,923, 153,020.22 and 72,665.86

Step by Step Solution

1. Step 1: Write the proportion equation
   110,923 : 153,020.22 = 72,665.86 : x
2. Step 2: Convert to fraction form
   110,923/153,020.22 = 72,665.86/x
3. Step 3: Cross multiply
   110,923x = 153,020.22 × 72,665.86
4. Step 4: Simplify right side
   110,923x = 11,119,345,883.69
5. Step 5: Solve for x
   x = 11,119,345,883.69/110,923
6. Step 6: Final answer
   x = 100,243.83