Finding the Fourth Proportional to 30,085.43, 41,517.61 and 16,657.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,085.43 : 41,517.61 = 16,657.25 : x
2. Step 2: Convert to fraction form
   30,085.43/41,517.61 = 16,657.25/x
3. Step 3: Cross multiply
   30,085.43x = 41,517.61 × 16,657.25
4. Step 4: Simplify right side
   30,085.43x = 691,569,053.64
5. Step 5: Solve for x
   x = 691,569,053.64/30,085.43
6. Step 6: Final answer
   x = 22,986.85