Finding the Fourth Proportional to 12,196.85, 18,301.41 and 4,806.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.85 : 18,301.41 = 4,806.61 : x
2. Step 2: Convert to fraction form
   12,196.85/18,301.41 = 4,806.61/x
3. Step 3: Cross multiply
   12,196.85x = 18,301.41 × 4,806.61
4. Step 4: Simplify right side
   12,196.85x = 87,967,694.57
5. Step 5: Solve for x
   x = 87,967,694.57/12,196.85
6. Step 6: Final answer
   x = 7,212.33