Finding the Fourth Proportional to 199,783.29, 275,696.33 and 109,139.63

Step by Step Solution

1. Step 1: Write the proportion equation
   199,783.29 : 275,696.33 = 109,139.63 : x
2. Step 2: Convert to fraction form
   199,783.29/275,696.33 = 109,139.63/x
3. Step 3: Cross multiply
   199,783.29x = 275,696.33 × 109,139.63
4. Step 4: Simplify right side
   199,783.29x = 30,089,393,524.38
5. Step 5: Solve for x
   x = 30,089,393,524.38/199,783.29
6. Step 6: Final answer
   x = 150,610.16