Finding the Fourth Proportional to 10,882.96, 16,322.31 and 5,330.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,882.96 : 16,322.31 = 5,330.81 : x
2. Step 2: Convert to fraction form
   10,882.96/16,322.31 = 5,330.81/x
3. Step 3: Cross multiply
   10,882.96x = 16,322.31 × 5,330.81
4. Step 4: Simplify right side
   10,882.96x = 87,011,174.18
5. Step 5: Solve for x
   x = 87,011,174.18/10,882.96
6. Step 6: Final answer
   x = 7,995.18