Finding the Fourth Proportional to 8,776.46, 12,134.85 and 7,669.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,776.46 : 12,134.85 = 7,669.29 : x
2. Step 2: Convert to fraction form
   8,776.46/12,134.85 = 7,669.29/x
3. Step 3: Cross multiply
   8,776.46x = 12,134.85 × 7,669.29
4. Step 4: Simplify right side
   8,776.46x = 93,065,700.50
5. Step 5: Solve for x
   x = 93,065,700.50/8,776.46
6. Step 6: Final answer
   x = 10,604.01