Finding the Fourth Proportional to 199,097.78, 274,754.94 and 109,673.78

Step by Step Solution

1. Step 1: Write the proportion equation
   199,097.78 : 274,754.94 = 109,673.78 : x
2. Step 2: Convert to fraction form
   199,097.78/274,754.94 = 109,673.78/x
3. Step 3: Cross multiply
   199,097.78x = 274,754.94 × 109,673.78
4. Step 4: Simplify right side
   199,097.78x = 30,133,412,843.47
5. Step 5: Solve for x
   x = 30,133,412,843.47/199,097.78
6. Step 6: Final answer
   x = 151,349.82