Finding the Fourth Proportional to 200,791.99, 301,126.56 and 67,636.54

Step by Step Solution

1. Step 1: Write the proportion equation
   200,791.99 : 301,126.56 = 67,636.54 : x
2. Step 2: Convert to fraction form
   200,791.99/301,126.56 = 67,636.54/x
3. Step 3: Cross multiply
   200,791.99x = 301,126.56 × 67,636.54
4. Step 4: Simplify right side
   200,791.99x = 20,367,158,620.50
5. Step 5: Solve for x
   x = 20,367,158,620.50/200,791.99
6. Step 6: Final answer
   x = 101,434.12