Finding the Fourth Proportional to 173,033.72, 238,769.94 and 105,087.88

Step by Step Solution

1. Step 1: Write the proportion equation
   173,033.72 : 238,769.94 = 105,087.88 : x
2. Step 2: Convert to fraction form
   173,033.72/238,769.94 = 105,087.88/x
3. Step 3: Cross multiply
   173,033.72x = 238,769.94 × 105,087.88
4. Step 4: Simplify right side
   173,033.72x = 25,091,826,802.33
5. Step 5: Solve for x
   x = 25,091,826,802.33/173,033.72
6. Step 6: Final answer
   x = 145,011.20