Finding the Fourth Proportional to 31,027.98, 42,817.38 and 16,880.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,027.98 : 42,817.38 = 16,880.82 : x
2. Step 2: Convert to fraction form
   31,027.98/42,817.38 = 16,880.82/x
3. Step 3: Cross multiply
   31,027.98x = 42,817.38 × 16,880.82
4. Step 4: Simplify right side
   31,027.98x = 722,792,484.65
5. Step 5: Solve for x
   x = 722,792,484.65/31,027.98
6. Step 6: Final answer
   x = 23,294.86