Finding the Fourth Proportional to 30,081.42, 41,511 and 16,651.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,081.42 : 41,511 = 16,651.72 : x
2. Step 2: Convert to fraction form
   30,081.42/41,511 = 16,651.72/x
3. Step 3: Cross multiply
   30,081.42x = 41,511 × 16,651.72
4. Step 4: Simplify right side
   30,081.42x = 691,229,548.92
5. Step 5: Solve for x
   x = 691,229,548.92/30,081.42
6. Step 6: Final answer
   x = 22,978.62