Finding the Fourth Proportional to 8,766.86, 12,098.23 and 4,788.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,766.86 : 12,098.23 = 4,788.34 : x
2. Step 2: Convert to fraction form
   8,766.86/12,098.23 = 4,788.34/x
3. Step 3: Cross multiply
   8,766.86x = 12,098.23 × 4,788.34
4. Step 4: Simplify right side
   8,766.86x = 57,930,396.42
5. Step 5: Solve for x
   x = 57,930,396.42/8,766.86
6. Step 6: Final answer
   x = 6,607.89