Finding the Fourth Proportional to 14,663.10, 21,997.89 and 7,271.58

Step by Step Solution

1. Step 1: Write the proportion equation
   14,663.10 : 21,997.89 = 7,271.58 : x
2. Step 2: Convert to fraction form
   14,663.10/21,997.89 = 7,271.58/x
3. Step 3: Cross multiply
   14,663.10x = 21,997.89 × 7,271.58
4. Step 4: Simplify right side
   14,663.10x = 159,959,416.97
5. Step 5: Solve for x
   x = 159,959,416.97/14,663.10
6. Step 6: Final answer
   x = 10,908.98