Finding the Fourth Proportional to 199,688.39, 275,559.71 and 109,026.88

Step by Step Solution

1. Step 1: Write the proportion equation
   199,688.39 : 275,559.71 = 109,026.88 : x
2. Step 2: Convert to fraction form
   199,688.39/275,559.71 = 109,026.88/x
3. Step 3: Cross multiply
   199,688.39x = 275,559.71 × 109,026.88
4. Step 4: Simplify right side
   199,688.39x = 30,043,414,200.97
5. Step 5: Solve for x
   x = 30,043,414,200.97/199,688.39
6. Step 6: Final answer
   x = 150,451.48