Finding the Fourth Proportional to 200,758.61, 301,061.37 and 67,603.12

Step by Step Solution

1. Step 1: Write the proportion equation
   200,758.61 : 301,061.37 = 67,603.12 : x
2. Step 2: Convert to fraction form
   200,758.61/301,061.37 = 67,603.12/x
3. Step 3: Cross multiply
   200,758.61x = 301,061.37 × 67,603.12
4. Step 4: Simplify right side
   200,758.61x = 20,352,687,923.47
5. Step 5: Solve for x
   x = 20,352,687,923.47/200,758.61
6. Step 6: Final answer
   x = 101,378.90