Finding the Fourth Proportional to 200,401.29, 300,616.52 and 67,280.42

Step by Step Solution

1. Step 1: Write the proportion equation
   200,401.29 : 300,616.52 = 67,280.42 : x
2. Step 2: Convert to fraction form
   200,401.29/300,616.52 = 67,280.42/x
3. Step 3: Cross multiply
   200,401.29x = 300,616.52 × 67,280.42
4. Step 4: Simplify right side
   200,401.29x = 20,225,606,139.68
5. Step 5: Solve for x
   x = 20,225,606,139.68/200,401.29
6. Step 6: Final answer
   x = 100,925.53