Finding the Fourth Proportional to 14,086.72, 21,135.78 and 5,324.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,086.72 : 21,135.78 = 5,324.14 : x
2. Step 2: Convert to fraction form
   14,086.72/21,135.78 = 5,324.14/x
3. Step 3: Cross multiply
   14,086.72x = 21,135.78 × 5,324.14
4. Step 4: Simplify right side
   14,086.72x = 112,529,851.73
5. Step 5: Solve for x
   x = 112,529,851.73/14,086.72
6. Step 6: Final answer
   x = 7,988.36