Finding the Fourth Proportional to 31,083.75, 42,895.58 and 16,936.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,083.75 : 42,895.58 = 16,936.59 : x
2. Step 2: Convert to fraction form
   31,083.75/42,895.58 = 16,936.59/x
3. Step 3: Cross multiply
   31,083.75x = 42,895.58 × 16,936.59
4. Step 4: Simplify right side
   31,083.75x = 726,504,927.45
5. Step 5: Solve for x
   x = 726,504,927.45/31,083.75
6. Step 6: Final answer
   x = 23,372.50