Finding the Fourth Proportional to 14,424.89, 21,633.69 and 5,538.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,424.89 : 21,633.69 = 5,538.38 : x
2. Step 2: Convert to fraction form
   14,424.89/21,633.69 = 5,538.38/x
3. Step 3: Cross multiply
   14,424.89x = 21,633.69 × 5,538.38
4. Step 4: Simplify right side
   14,424.89x = 119,815,596.02
5. Step 5: Solve for x
   x = 119,815,596.02/14,424.89
6. Step 6: Final answer
   x = 8,306.17