Finding the Fourth Proportional to 50,192.50, 69,264.61 and 31,067.20

Step by Step Solution

1. Step 1: Write the proportion equation
   50,192.50 : 69,264.61 = 31,067.20 : x
2. Step 2: Convert to fraction form
   50,192.50/69,264.61 = 31,067.20/x
3. Step 3: Cross multiply
   50,192.50x = 69,264.61 × 31,067.20
4. Step 4: Simplify right side
   50,192.50x = 2,151,857,067.80
5. Step 5: Solve for x
   x = 2,151,857,067.80/50,192.50
6. Step 6: Final answer
   x = 42,872.09