Finding the Fourth Proportional to 8,766.42, 12,097.31 and 4,989.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,766.42 : 12,097.31 = 4,989.08 : x
2. Step 2: Convert to fraction form
   8,766.42/12,097.31 = 4,989.08/x
3. Step 3: Cross multiply
   8,766.42x = 12,097.31 × 4,989.08
4. Step 4: Simplify right side
   8,766.42x = 60,354,447.37
5. Step 5: Solve for x
   x = 60,354,447.37/8,766.42
6. Step 6: Final answer
   x = 6,884.73