Finding the Fourth Proportional to 50,412.72, 69,549.36 and 30,270.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,412.72 : 69,549.36 = 30,270.72 : x
2. Step 2: Convert to fraction form
   50,412.72/69,549.36 = 30,270.72/x
3. Step 3: Cross multiply
   50,412.72x = 69,549.36 × 30,270.72
4. Step 4: Simplify right side
   50,412.72x = 2,105,309,202.74
5. Step 5: Solve for x
   x = 2,105,309,202.74/50,412.72
6. Step 6: Final answer
   x = 41,761.47