Finding the Fourth Proportional to 8,839.81, 12,198.83 and 4,860.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,839.81 : 12,198.83 = 4,860.89 : x
2. Step 2: Convert to fraction form
   8,839.81/12,198.83 = 4,860.89/x
3. Step 3: Cross multiply
   8,839.81x = 12,198.83 × 4,860.89
4. Step 4: Simplify right side
   8,839.81x = 59,297,085.46
5. Step 5: Solve for x
   x = 59,297,085.46/8,839.81
6. Step 6: Final answer
   x = 6,707.96