Finding the Fourth Proportional to 14,099.69, 21,149.77 and 5,338.73

Step by Step Solution

1. Step 1: Write the proportion equation
   14,099.69 : 21,149.77 = 5,338.73 : x
2. Step 2: Convert to fraction form
   14,099.69/21,149.77 = 5,338.73/x
3. Step 3: Cross multiply
   14,099.69x = 21,149.77 × 5,338.73
4. Step 4: Simplify right side
   14,099.69x = 112,912,792.50
5. Step 5: Solve for x
   x = 112,912,792.50/14,099.69
6. Step 6: Final answer
   x = 8,008.18