Finding the Fourth Proportional to 9,337.92, 12,868.59 and 6,680.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.92 : 12,868.59 = 6,680.72 : x
2. Step 2: Convert to fraction form
   9,337.92/12,868.59 = 6,680.72/x
3. Step 3: Cross multiply
   9,337.92x = 12,868.59 × 6,680.72
4. Step 4: Simplify right side
   9,337.92x = 85,971,446.58
5. Step 5: Solve for x
   x = 85,971,446.58/9,337.92
6. Step 6: Final answer
   x = 9,206.70