Finding the Fourth Proportional to 199,820.52, 275,754.24 and 109,173.96

Step by Step Solution

1. Step 1: Write the proportion equation
   199,820.52 : 275,754.24 = 109,173.96 : x
2. Step 2: Convert to fraction form
   199,820.52/275,754.24 = 109,173.96/x
3. Step 3: Cross multiply
   199,820.52x = 275,754.24 × 109,173.96
4. Step 4: Simplify right side
   199,820.52x = 30,105,182,367.59
5. Step 5: Solve for x
   x = 30,105,182,367.59/199,820.52
6. Step 6: Final answer
   x = 150,661.12