Finding the Fourth Proportional to 50,192.62, 69,264.78 and 31,067.32

Step by Step Solution

1. Step 1: Write the proportion equation
   50,192.62 : 69,264.78 = 31,067.32 : x
2. Step 2: Convert to fraction form
   50,192.62/69,264.78 = 31,067.32/x
3. Step 3: Cross multiply
   50,192.62x = 69,264.78 × 31,067.32
4. Step 4: Simplify right side
   50,192.62x = 2,151,871,084.99
5. Step 5: Solve for x
   x = 2,151,871,084.99/50,192.62
6. Step 6: Final answer
   x = 42,872.26