Finding the Fourth Proportional to 199,673.89, 275,551.30 and 109,030.48

Step by Step Solution

1. Step 1: Write the proportion equation
   199,673.89 : 275,551.30 = 109,030.48 : x
2. Step 2: Convert to fraction form
   199,673.89/275,551.30 = 109,030.48/x
3. Step 3: Cross multiply
   199,673.89x = 275,551.30 × 109,030.48
4. Step 4: Simplify right side
   199,673.89x = 30,043,490,919.93
5. Step 5: Solve for x
   x = 30,043,490,919.93/199,673.89
6. Step 6: Final answer
   x = 150,462.79