Finding the Fourth Proportional to 10,719.54, 16,073.51 and 3,321.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,719.54 : 16,073.51 = 3,321.99 : x
2. Step 2: Convert to fraction form
   10,719.54/16,073.51 = 3,321.99/x
3. Step 3: Cross multiply
   10,719.54x = 16,073.51 × 3,321.99
4. Step 4: Simplify right side
   10,719.54x = 53,396,022.87
5. Step 5: Solve for x
   x = 53,396,022.87/10,719.54
6. Step 6: Final answer
   x = 4,981.19