Finding the Fourth Proportional to 8,839.63, 12,198.53 and 4,860.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,839.63 : 12,198.53 = 4,860.75 : x
2. Step 2: Convert to fraction form
   8,839.63/12,198.53 = 4,860.75/x
3. Step 3: Cross multiply
   8,839.63x = 12,198.53 × 4,860.75
4. Step 4: Simplify right side
   8,839.63x = 59,294,044.37
5. Step 5: Solve for x
   x = 59,294,044.37/8,839.63
6. Step 6: Final answer
   x = 6,707.75