Finding the Fourth Proportional to 199,630.38, 275,478.15 and 108,968.34

Step by Step Solution

1. Step 1: Write the proportion equation
   199,630.38 : 275,478.15 = 108,968.34 : x
2. Step 2: Convert to fraction form
   199,630.38/275,478.15 = 108,968.34/x
3. Step 3: Cross multiply
   199,630.38x = 275,478.15 × 108,968.34
4. Step 4: Simplify right side
   199,630.38x = 30,018,396,711.77
5. Step 5: Solve for x
   x = 30,018,396,711.77/199,630.38
6. Step 6: Final answer
   x = 150,369.88