Finding the Fourth Proportional to 173,020.54, 238,727.59 and 105,035.80

Step by Step Solution

1. Step 1: Write the proportion equation
   173,020.54 : 238,727.59 = 105,035.80 : x
2. Step 2: Convert to fraction form
   173,020.54/238,727.59 = 105,035.80/x
3. Step 3: Cross multiply
   173,020.54x = 238,727.59 × 105,035.80
4. Step 4: Simplify right side
   173,020.54x = 25,074,943,397.72
5. Step 5: Solve for x
   x = 25,074,943,397.72/173,020.54
6. Step 6: Final answer
   x = 144,924.66