Finding the Fourth Proportional to 199,719.96, 275,602.28 and 109,057.88

Step by Step Solution

1. Step 1: Write the proportion equation
   199,719.96 : 275,602.28 = 109,057.88 : x
2. Step 2: Convert to fraction form
   199,719.96/275,602.28 = 109,057.88/x
3. Step 3: Cross multiply
   199,719.96x = 275,602.28 × 109,057.88
4. Step 4: Simplify right side
   199,719.96x = 30,056,598,456.67
5. Step 5: Solve for x
   x = 30,056,598,456.67/199,719.96
6. Step 6: Final answer
   x = 150,493.71