Finding the Fourth Proportional to 199,658.60, 275,526.78 and 109,014.29

Step by Step Solution

1. Step 1: Write the proportion equation
   199,658.60 : 275,526.78 = 109,014.29 : x
2. Step 2: Convert to fraction form
   199,658.60/275,526.78 = 109,014.29/x
3. Step 3: Cross multiply
   199,658.60x = 275,526.78 × 109,014.29
4. Step 4: Simplify right side
   199,658.60x = 30,036,356,297.69
5. Step 5: Solve for x
   x = 30,036,356,297.69/199,658.60
6. Step 6: Final answer
   x = 150,438.58