Finding the Fourth Proportional to 14,997.72, 22,494.56 and 8,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,997.72 : 22,494.56 = 8,760.72 : x
2. Step 2: Convert to fraction form
   14,997.72/22,494.56 = 8,760.72/x
3. Step 3: Cross multiply
   14,997.72x = 22,494.56 × 8,760.72
4. Step 4: Simplify right side
   14,997.72x = 197,068,497.88
5. Step 5: Solve for x
   x = 197,068,497.88/14,997.72
6. Step 6: Final answer
   x = 13,139.90