Finding the Fourth Proportional to 199,628.85, 275,488.59 and 108,986.82

Step by Step Solution

1. Step 1: Write the proportion equation
   199,628.85 : 275,488.59 = 108,986.82 : x
2. Step 2: Convert to fraction form
   199,628.85/275,488.59 = 108,986.82/x
3. Step 3: Cross multiply
   199,628.85x = 275,488.59 × 108,986.82
4. Step 4: Simplify right side
   199,628.85x = 30,024,624,746.00
5. Step 5: Solve for x
   x = 30,024,624,746.00/199,628.85
6. Step 6: Final answer
   x = 150,402.23