Finding the Fourth Proportional to 14,424.48, 19,891.98 and 8,760.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,424.48 : 19,891.98 = 8,760.15 : x
2. Step 2: Convert to fraction form
   14,424.48/19,891.98 = 8,760.15/x
3. Step 3: Cross multiply
   14,424.48x = 19,891.98 × 8,760.15
4. Step 4: Simplify right side
   14,424.48x = 174,256,728.60
5. Step 5: Solve for x
   x = 174,256,728.60/14,424.48
6. Step 6: Final answer
   x = 12,080.62