Finding the Fourth Proportional to 11,626.72, 16,044.98 and 6,321.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,626.72 : 16,044.98 = 6,321.55 : x
2. Step 2: Convert to fraction form
   11,626.72/16,044.98 = 6,321.55/x
3. Step 3: Cross multiply
   11,626.72x = 16,044.98 × 6,321.55
4. Step 4: Simplify right side
   11,626.72x = 101,429,143.32
5. Step 5: Solve for x
   x = 101,429,143.32/11,626.72
6. Step 6: Final answer
   x = 8,723.80