Finding the Fourth Proportional to 199,096.78, 274,753.56 and 109,672.78

Step by Step Solution

1. Step 1: Write the proportion equation
   199,096.78 : 274,753.56 = 109,672.78 : x
2. Step 2: Convert to fraction form
   199,096.78/274,753.56 = 109,672.78/x
3. Step 3: Cross multiply
   199,096.78x = 274,753.56 × 109,672.78
4. Step 4: Simplify right side
   199,096.78x = 30,132,986,740.10
5. Step 5: Solve for x
   x = 30,132,986,740.10/199,096.78
6. Step 6: Final answer
   x = 151,348.44