Finding the Fourth Proportional to 50,121.47, 69,141.36 and 30,995.14

Step by Step Solution

1. Step 1: Write the proportion equation
   50,121.47 : 69,141.36 = 30,995.14 : x
2. Step 2: Convert to fraction form
   50,121.47/69,141.36 = 30,995.14/x
3. Step 3: Cross multiply
   50,121.47x = 69,141.36 × 30,995.14
4. Step 4: Simplify right side
   50,121.47x = 2,143,045,978.01
5. Step 5: Solve for x
   x = 2,143,045,978.01/50,121.47
6. Step 6: Final answer
   x = 42,757.05