Finding the Fourth Proportional to 12,071.72, 16,658.96 and 6,766.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071.72 : 16,658.96 = 6,766.54 : x
2. Step 2: Convert to fraction form
   12,071.72/16,658.96 = 6,766.54/x
3. Step 3: Cross multiply
   12,071.72x = 16,658.96 × 6,766.54
4. Step 4: Simplify right side
   12,071.72x = 112,723,443.72
5. Step 5: Solve for x
   x = 112,723,443.72/12,071.72
6. Step 6: Final answer
   x = 9,337.81