Finding the Fourth Proportional to 10,730.10, 16,073.55 and 6,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,730.10 : 16,073.55 = 6,820.50 : x
2. Step 2: Convert to fraction form
   10,730.10/16,073.55 = 6,820.50/x
3. Step 3: Cross multiply
   10,730.10x = 16,073.55 × 6,820.50
4. Step 4: Simplify right side
   10,730.10x = 109,629,647.78
5. Step 5: Solve for x
   x = 109,629,647.78/10,730.10
6. Step 6: Final answer
   x = 10,217.02