Finding the Fourth Proportional to 133,426.30, 200,122.17 and 50,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,426.30 : 200,122.17 = 50,309.50 : x
2. Step 2: Convert to fraction form
   133,426.30/200,122.17 = 50,309.50/x
3. Step 3: Cross multiply
   133,426.30x = 200,122.17 × 50,309.50
4. Step 4: Simplify right side
   133,426.30x = 10,068,046,311.62
5. Step 5: Solve for x
   x = 10,068,046,311.62/133,426.30
6. Step 6: Final answer
   x = 75,457.73