Finding the Fourth Proportional to 200,410.49, 276,556.61 and 109,766.86

Step by Step Solution

1. Step 1: Write the proportion equation
   200,410.49 : 276,556.61 = 109,766.86 : x
2. Step 2: Convert to fraction form
   200,410.49/276,556.61 = 109,766.86/x
3. Step 3: Cross multiply
   200,410.49x = 276,556.61 × 109,766.86
4. Step 4: Simplify right side
   200,410.49x = 30,356,749,309.16
5. Step 5: Solve for x
   x = 30,356,749,309.16/200,410.49
6. Step 6: Final answer
   x = 151,472.86