Finding the Fourth Proportional to 30,002.72, 41,405.30 and 16,573.87

Step by Step Solution

1. Step 1: Write the proportion equation
   30,002.72 : 41,405.30 = 16,573.87 : x
2. Step 2: Convert to fraction form
   30,002.72/41,405.30 = 16,573.87/x
3. Step 3: Cross multiply
   30,002.72x = 41,405.30 × 16,573.87
4. Step 4: Simplify right side
   30,002.72x = 686,245,935.28
5. Step 5: Solve for x
   x = 686,245,935.28/30,002.72
6. Step 6: Final answer
   x = 22,872.79