Finding the Fourth Proportional to 200,036.43, 276,046.47 and 109,392.12

Step by Step Solution

1. Step 1: Write the proportion equation
   200,036.43 : 276,046.47 = 109,392.12 : x
2. Step 2: Convert to fraction form
   200,036.43/276,046.47 = 109,392.12/x
3. Step 3: Cross multiply
   200,036.43x = 276,046.47 × 109,392.12
4. Step 4: Simplify right side
   200,036.43x = 30,197,308,571.82
5. Step 5: Solve for x
   x = 30,197,308,571.82/200,036.43
6. Step 6: Final answer
   x = 150,959.05