Finding the Fourth Proportional to 31,084.14, 42,895.50 and 16,936.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,084.14 : 42,895.50 = 16,936.68 : x
2. Step 2: Convert to fraction form
   31,084.14/42,895.50 = 16,936.68/x
3. Step 3: Cross multiply
   31,084.14x = 42,895.50 × 16,936.68
4. Step 4: Simplify right side
   31,084.14x = 726,507,356.94
5. Step 5: Solve for x
   x = 726,507,356.94/31,084.14
6. Step 6: Final answer
   x = 23,372.28