Finding the Fourth Proportional to 30,111.50, 41,553.87 and 16,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,111.50 : 41,553.87 = 16,863.50 : x
2. Step 2: Convert to fraction form
   30,111.50/41,553.87 = 16,863.50/x
3. Step 3: Cross multiply
   30,111.50x = 41,553.87 × 16,863.50
4. Step 4: Simplify right side
   30,111.50x = 700,743,686.75
5. Step 5: Solve for x
   x = 700,743,686.75/30,111.50
6. Step 6: Final answer
   x = 23,271.63