Finding the Fourth Proportional to 12,081.50, 16,672.50 and 7,049.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,081.50 : 16,672.50 = 7,049.18 : x
2. Step 2: Convert to fraction form
   12,081.50/16,672.50 = 7,049.18/x
3. Step 3: Cross multiply
   12,081.50x = 16,672.50 × 7,049.18
4. Step 4: Simplify right side
   12,081.50x = 117,527,453.55
5. Step 5: Solve for x
   x = 117,527,453.55/12,081.50
6. Step 6: Final answer
   x = 9,727.89