Finding the Fourth Proportional to 50,343.30, 69,456.47 and 31,216.19

Step by Step Solution

1. Step 1: Write the proportion equation
   50,343.30 : 69,456.47 = 31,216.19 : x
2. Step 2: Convert to fraction form
   50,343.30/69,456.47 = 31,216.19/x
3. Step 3: Cross multiply
   50,343.30x = 69,456.47 × 31,216.19
4. Step 4: Simplify right side
   50,343.30x = 2,168,166,121.35
5. Step 5: Solve for x
   x = 2,168,166,121.35/50,343.30
6. Step 6: Final answer
   x = 43,067.62