Finding the Fourth Proportional to 12,269.34, 16,931.61 and 6,680.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,269.34 : 16,931.61 = 6,680.34 : x
2. Step 2: Convert to fraction form
   12,269.34/16,931.61 = 6,680.34/x
3. Step 3: Cross multiply
   12,269.34x = 16,931.61 × 6,680.34
4. Step 4: Simplify right side
   12,269.34x = 113,108,911.55
5. Step 5: Solve for x
   x = 113,108,911.55/12,269.34
6. Step 6: Final answer
   x = 9,218.83