Finding the Fourth Proportional to 199,659.69, 275,525.94 and 109,012.17

Step by Step Solution

1. Step 1: Write the proportion equation
   199,659.69 : 275,525.94 = 109,012.17 : x
2. Step 2: Convert to fraction form
   199,659.69/275,525.94 = 109,012.17/x
3. Step 3: Cross multiply
   199,659.69x = 275,525.94 × 109,012.17
4. Step 4: Simplify right side
   199,659.69x = 30,035,680,610.69
5. Step 5: Solve for x
   x = 30,035,680,610.69/199,659.69
6. Step 6: Final answer
   x = 150,434.37