Finding the Fourth Proportional to 9,761.85, 14,648.61 and 8,967.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,761.85 : 14,648.61 = 8,967.80 : x
2. Step 2: Convert to fraction form
   9,761.85/14,648.61 = 8,967.80/x
3. Step 3: Cross multiply
   9,761.85x = 14,648.61 × 8,967.80
4. Step 4: Simplify right side
   9,761.85x = 131,365,745.72
5. Step 5: Solve for x
   x = 131,365,745.72/9,761.85
6. Step 6: Final answer
   x = 13,457.05