Finding the Fourth Proportional to 133,687.80, 200,514.42 and 50,571

Step by Step Solution

1. Step 1: Write the proportion equation
   133,687.80 : 200,514.42 = 50,571 : x
2. Step 2: Convert to fraction form
   133,687.80/200,514.42 = 50,571/x
3. Step 3: Cross multiply
   133,687.80x = 200,514.42 × 50,571
4. Step 4: Simplify right side
   133,687.80x = 10,140,214,733.82
5. Step 5: Solve for x
   x = 10,140,214,733.82/133,687.80
6. Step 6: Final answer
   x = 75,849.96