Finding the Fourth Proportional to 200,395, 300,638.58 and 69,067

Step by Step Solution

1. Step 1: Write the proportion equation
   200,395 : 300,638.58 = 69,067 : x
2. Step 2: Convert to fraction form
   200,395/300,638.58 = 69,067/x
3. Step 3: Cross multiply
   200,395x = 300,638.58 × 69,067
4. Step 4: Simplify right side
   200,395x = 20,764,204,804.86
5. Step 5: Solve for x
   x = 20,764,204,804.86/200,395
6. Step 6: Final answer
   x = 103,616.38