Finding the Fourth Proportional to 199,368.56, 275,128.56 and 109,944.56

Step by Step Solution

1. Step 1: Write the proportion equation
   199,368.56 : 275,128.56 = 109,944.56 : x
2. Step 2: Convert to fraction form
   199,368.56/275,128.56 = 109,944.56/x
3. Step 3: Cross multiply
   199,368.56x = 275,128.56 × 109,944.56
4. Step 4: Simplify right side
   199,368.56x = 30,248,888,472.63
5. Step 5: Solve for x
   x = 30,248,888,472.63/199,368.56
6. Step 6: Final answer
   x = 151,723.46