Finding the Fourth Proportional to 30,116.82, 41,562.72 and 16,689.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,116.82 : 41,562.72 = 16,689.54 : x
2. Step 2: Convert to fraction form
   30,116.82/41,562.72 = 16,689.54/x
3. Step 3: Cross multiply
   30,116.82x = 41,562.72 × 16,689.54
4. Step 4: Simplify right side
   30,116.82x = 693,662,677.95
5. Step 5: Solve for x
   x = 693,662,677.95/30,116.82
6. Step 6: Final answer
   x = 23,032.40