Finding the Fourth Proportional to 200,478.22, 276,659.78 and 109,839.82

Step by Step Solution

1. Step 1: Write the proportion equation
   200,478.22 : 276,659.78 = 109,839.82 : x
2. Step 2: Convert to fraction form
   200,478.22/276,659.78 = 109,839.82/x
3. Step 3: Cross multiply
   200,478.22x = 276,659.78 × 109,839.82
4. Step 4: Simplify right side
   200,478.22x = 30,388,260,436.44
5. Step 5: Solve for x
   x = 30,388,260,436.44/200,478.22
6. Step 6: Final answer
   x = 151,578.86