Finding the Fourth Proportional to 200,143.91, 300,216.17 and 50,384.23

Step by Step Solution

1. Step 1: Write the proportion equation
   200,143.91 : 300,216.17 = 50,384.23 : x
2. Step 2: Convert to fraction form
   200,143.91/300,216.17 = 50,384.23/x
3. Step 3: Cross multiply
   200,143.91x = 300,216.17 × 50,384.23
4. Step 4: Simplify right side
   200,143.91x = 15,126,159,934.42
5. Step 5: Solve for x
   x = 15,126,159,934.42/200,143.91
6. Step 6: Final answer
   x = 75,576.42