Finding the Fourth Proportional to 20,546.10, 30,793.59 and 10,679.58

Step by Step Solution

1. Step 1: Write the proportion equation
   20,546.10 : 30,793.59 = 10,679.58 : x
2. Step 2: Convert to fraction form
   20,546.10/30,793.59 = 10,679.58/x
3. Step 3: Cross multiply
   20,546.10x = 30,793.59 × 10,679.58
4. Step 4: Simplify right side
   20,546.10x = 328,862,607.89
5. Step 5: Solve for x
   x = 328,862,607.89/20,546.10
6. Step 6: Final answer
   x = 16,006.08