Finding the Fourth Proportional to 31,084, 42,895.92 and 16,936.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,084 : 42,895.92 = 16,936.84 : x
2. Step 2: Convert to fraction form
   31,084/42,895.92 = 16,936.84/x
3. Step 3: Cross multiply
   31,084x = 42,895.92 × 16,936.84
4. Step 4: Simplify right side
   31,084x = 726,521,333.69
5. Step 5: Solve for x
   x = 726,521,333.69/31,084
6. Step 6: Final answer
   x = 23,372.84