Finding the Fourth Proportional to 200,290.41, 276,390.09 and 109,628.82

Step by Step Solution

1. Step 1: Write the proportion equation
   200,290.41 : 276,390.09 = 109,628.82 : x
2. Step 2: Convert to fraction form
   200,290.41/276,390.09 = 109,628.82/x
3. Step 3: Cross multiply
   200,290.41x = 276,390.09 × 109,628.82
4. Step 4: Simplify right side
   200,290.41x = 30,300,319,426.39
5. Step 5: Solve for x
   x = 30,300,319,426.39/200,290.41
6. Step 6: Final answer
   x = 151,281.93