Finding the Fourth Proportional to 199,741.12, 275,644.83 and 109,099.69

Step by Step Solution

1. Step 1: Write the proportion equation
   199,741.12 : 275,644.83 = 109,099.69 : x
2. Step 2: Convert to fraction form
   199,741.12/275,644.83 = 109,099.69/x
3. Step 3: Cross multiply
   199,741.12x = 275,644.83 × 109,099.69
4. Step 4: Simplify right side
   199,741.12x = 30,072,765,503.10
5. Step 5: Solve for x
   x = 30,072,765,503.10/199,741.12
6. Step 6: Final answer
   x = 150,558.71