Finding the Fourth Proportional to 199,780.83, 275,694.15 and 109,134.47

Step by Step Solution

1. Step 1: Write the proportion equation
   199,780.83 : 275,694.15 = 109,134.47 : x
2. Step 2: Convert to fraction form
   199,780.83/275,694.15 = 109,134.47/x
3. Step 3: Cross multiply
   199,780.83x = 275,694.15 × 109,134.47
4. Step 4: Simplify right side
   199,780.83x = 30,087,733,563.88
5. Step 5: Solve for x
   x = 30,087,733,563.88/199,780.83
6. Step 6: Final answer
   x = 150,603.71