Finding the Fourth Proportional to 199,725.88, 275,620.24 and 109,081.89

Step by Step Solution

1. Step 1: Write the proportion equation
   199,725.88 : 275,620.24 = 109,081.89 : x
2. Step 2: Convert to fraction form
   199,725.88/275,620.24 = 109,081.89/x
3. Step 3: Cross multiply
   199,725.88x = 275,620.24 × 109,081.89
4. Step 4: Simplify right side
   199,725.88x = 30,065,174,777.94
5. Step 5: Solve for x
   x = 30,065,174,777.94/199,725.88
6. Step 6: Final answer
   x = 150,532.19