Finding the Fourth Proportional to 173,642.72, 239,657.69 and 102,022.73

Step by Step Solution

1. Step 1: Write the proportion equation
   173,642.72 : 239,657.69 = 102,022.73 : x
2. Step 2: Convert to fraction form
   173,642.72/239,657.69 = 102,022.73/x
3. Step 3: Cross multiply
   173,642.72x = 239,657.69 × 102,022.73
4. Step 4: Simplify right side
   173,642.72x = 24,450,530,090.89
5. Step 5: Solve for x
   x = 24,450,530,090.89/173,642.72
6. Step 6: Final answer
   x = 140,809.42