Finding the Fourth Proportional to 14,121.89, 19,482.83 and 8,151.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,121.89 : 19,482.83 = 8,151.38 : x
2. Step 2: Convert to fraction form
   14,121.89/19,482.83 = 8,151.38/x
3. Step 3: Cross multiply
   14,121.89x = 19,482.83 × 8,151.38
4. Step 4: Simplify right side
   14,121.89x = 158,812,025.85
5. Step 5: Solve for x
   x = 158,812,025.85/14,121.89
6. Step 6: Final answer
   x = 11,245.80