Finding the Fourth Proportional to 12,196.46, 18,300.85 and 4,806.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.46 : 18,300.85 = 4,806.23 : x
2. Step 2: Convert to fraction form
   12,196.46/18,300.85 = 4,806.23/x
3. Step 3: Cross multiply
   12,196.46x = 18,300.85 × 4,806.23
4. Step 4: Simplify right side
   12,196.46x = 87,957,990.78
5. Step 5: Solve for x
   x = 87,957,990.78/12,196.46
6. Step 6: Final answer
   x = 7,211.76