Finding the Fourth Proportional to 10,284.28, 14,191.48 and 5,809.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,284.28 : 14,191.48 = 5,809.12 : x
2. Step 2: Convert to fraction form
   10,284.28/14,191.48 = 5,809.12/x
3. Step 3: Cross multiply
   10,284.28x = 14,191.48 × 5,809.12
4. Step 4: Simplify right side
   10,284.28x = 82,440,010.30
5. Step 5: Solve for x
   x = 82,440,010.30/10,284.28
6. Step 6: Final answer
   x = 8,016.12