Finding the Fourth Proportional to 30,112.50, 41,555.25 and 16,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,112.50 : 41,555.25 = 16,864.50 : x
2. Step 2: Convert to fraction form
   30,112.50/41,555.25 = 16,864.50/x
3. Step 3: Cross multiply
   30,112.50x = 41,555.25 × 16,864.50
4. Step 4: Simplify right side
   30,112.50x = 700,808,513.63
5. Step 5: Solve for x
   x = 700,808,513.63/30,112.50
6. Step 6: Final answer
   x = 23,273.01