Finding the Fourth Proportional to 199,815.55, 275,764.18 and 109,184.94

Step by Step Solution

1. Step 1: Write the proportion equation
   199,815.55 : 275,764.18 = 109,184.94 : x
2. Step 2: Convert to fraction form
   199,815.55/275,764.18 = 109,184.94/x
3. Step 3: Cross multiply
   199,815.55x = 275,764.18 × 109,184.94
4. Step 4: Simplify right side
   199,815.55x = 30,109,295,447.45
5. Step 5: Solve for x
   x = 30,109,295,447.45/199,815.55
6. Step 6: Final answer
   x = 150,685.45