Finding the Fourth Proportional to 199,679.42, 275,568.78 and 109,043.84

Step by Step Solution

1. Step 1: Write the proportion equation
   199,679.42 : 275,568.78 = 109,043.84 : x
2. Step 2: Convert to fraction form
   199,679.42/275,568.78 = 109,043.84/x
3. Step 3: Cross multiply
   199,679.42x = 275,568.78 × 109,043.84
4. Step 4: Simplify right side
   199,679.42x = 30,049,077,955.32
5. Step 5: Solve for x
   x = 30,049,077,955.32/199,679.42
6. Step 6: Final answer
   x = 150,486.60